PLEASE HELP, I NEED IT! AND NO ABSURD ANSWERS! I'll GIVE BRAINLIEST!


The ages of customers at a store are normally distributed with a mean of 45 years and a standard deviation of 13. 8 years.


(a)What is the z-score for a customer that just turned 25 years old? Round to the nearest hundredth.


(b)Give an example of a customer age with a corresponding z-score greater than 2. Justify your answer

Answers

Answer 1

The z-score of the customer that just turned 25 years old is  -1.45. The z-score for an age of 75 years is approximately 2.17, which is greater than 2,  Since a z-score greater than 2 represents a considerable deviation.

(a)

To find the z-score for a customer that just turned 25 years old :

z-score = (x - mean) / standard deviation

Plugging in the values, we get:
z-score = (25 - 45) / 13.8 = -1.45, where x = 25 years, mean  = 45 years, and standard deviation = 13.8 years.
Rounding to the nearest hundredth, the z-score is -1.45.

(b)

To find an example of a customer age with a z-score greater than 2, we need to identify an age that deviates significantly from the mean given the standard deviation. Since a z-score greater than 2 represents a considerable deviation, let's consider an age of 75 years.

Using the same formula as before:

z = (x - μ) / σ

where:

   x is the customer's age (75 years),

   μ is the mean of the distribution (45 years),

   σ is the standard deviation of the distribution (13.8 years).

Calculating the z-score:

z = (75 - 45) / 13.8

z = 2.17

The z-score for an age of 75 years is approximately 2.17, which is greater than 2, fulfilling the requirement of the question.

To learn more about  z-score : https://brainly.com/question/28000192

#SPJ11


Related Questions

Make 20 questions subtraction and addition of fractions only like this

e. G saina ,anika and mercy got some money saina got 1/6 and mercy got 3/4 and anka got the rest

a. Caculate the fraction of saina and mercy

b. What is anika s share in fractions

c. How much was the money

you can use money,fruits or any thing

due 24/04/22

Answers

20 questions subtraction and addition of fractions only like this:

A recipe calls for 2/3 cup of flour and 1/4 cup of sugar. What is the total amount of flour and sugar needed in fraction?

John had 3/4 of a pizza and gave 1/3 of it to his friend. What fraction of the pizza does John have left?If 2/5 of a cake is chocolate and 1/5 is vanilla, what fraction of the cake is another flavor?If Tom can run 5/6 of a mile in 4 minutes, how many minutes will it take him to run 1 mile?If 3/8 of a bag of apples is rotten, what fraction of the bag is not rotten?A store had 5/6 of its shelves stocked with books. If 1/4 of the books were science books, what fraction of the shelves were stocked with science books?If Maria has 3/8 of a tank of gas and she uses 1/4 of it to drive to work, what fraction of the tank is left when she arrives at work?A recipe calls for 1/3 cup of sugar and 1/4 cup of butter. What is the total amount of sugar and butter needed in fraction?If 2/3 of a box of crayons is blue and 1/4 of the box is red, what fraction of the box is another color?If a recipe calls for 3/4 cup of milk and you have only 1/2 cup, what fraction of milk do you need to buy to have enough?If a school has 7/8 of its students enrolled in math and 3/4 of those enrolled in math are also enrolled in science, what fraction of the school is enrolled in both math and science?A store had 1/2 of its apples on sale for 1/4 off. What fraction of the original price did a customer pay for a discounted apple?If a train travels 1/2 of a mile in 2 minutes, how long will it take to travel 1 mile?A recipe calls for 2/3 cup of flour and 1/4 cup of sugar. What is the total amount of flour and sugar needed in fraction?If a recipe calls for 3/4 cup of oil and you have only 1/3 cup, what fraction of oil do you need to buy to have enough?If 3/8 of a class is girls and 2/5 of the girls have brown hair, what fraction of the class is girls with brown hair?If a recipe calls for 1/2 cup of brown sugar and 1/4 cup of white sugar, what is the total amount of sugar needed in fraction?If a store sells 3/4 of a bag of apples and has 2/3 of a bag left, what fraction of the original bag is left?If a car travels 3/4 of a mile in 2 minutes, how long will it take to travel 1 mile?If a recipe calls for 1/3 cup of butter and you have only 1/6 cup, what fraction of butter do you need to buy to have enough?If a recipe calls for 1/4 cup of honey and 1/3 cup of sugar, what is the total amount of honey and sugar needed in fraction?

To know more about fractions, refer to the link below:

https://brainly.com/question/29092269#

#SPJ11

let s be a set. suppose that relation r on s is both symmetric and antisymmetric. prove that r ⊆rdiagonal

Answers

We have shown that if r is both symmetric and antisymmetric, then r is a subset of the diagonal relation on s, i.e., r ⊆ diagonal.

If the relation r on s is both symmetric and antisymmetric, then for any elements a and b in s, we have:

If (a, b) is in r, then (b, a) must also be in r because r is symmetric.

If (a, b) and (b, a) are both in r, then a = b because r is antisymmetric.

Now, we want to show that r is a subset of the diagonal relation on s, which is defined as:

diagonal = {(a, a) | a ∈ s}

To prove this, we need to show that for any pair (a, b) in r, (a, b) must also be in the diagonal relation. Since r is a relation on s, (a, b) ∈ s × s, which means that both a and b are elements of s.

Since (a, b) is in r, we know that (b, a) must also be in r, by the symmetry of r. Therefore, we have:

(a, b) ∈ r and (b, a) ∈ r

By the antisymmetry of r, this implies that a = b. Therefore, (a, b) is of the form (a, a), which is an element of the diagonal relation.

Therefore, we have shown that if r is both symmetric and antisymmetric, then r is a subset of the diagonal relation on s, i.e., r ⊆ diagonal.

Learn more about antisymmetric

https://brainly.com/question/26504571

#SPJ4

In ΔLMN, m = 59 inches, n = 35 inches and ∠L=82°. Find ∠N, to the nearest degree

Answers

The answer is: ∠N ≈ 33°

To find ∠N in ΔLMN, we can use the Law of Cosines which states that c² = a² + b² - 2abcos(C), where c is the side opposite angle C.

In this case, side LM (m) is opposite angle ∠N, side LN (n) is opposite angle ∠L, and side MN (x) is opposite the unknown angle.

So, we can write:
m² = n² + x² - 2nxcos(82°)

Substituting the given values:
x² = 35² + 59² - 2(35)(59)cos(82°)

Solving for x, we get:
x ≈ 64.27

Now, using the Law of Sines which states that a/sin(A) = b/sin(B) = c/sin(C), we can find ∠N:

sin(∠N)/35 = sin(82°)/64.27

sin(∠N) ≈ 0.5392

∠N ≈ sin⁻¹(0.857) ≈ 32.6344°

Therefore, ∠N ≈ 33° to the nearest degree.

Learn more about: Trigonometry - https://brainly.com/question/31882040

#SPJ11

15
Find the first and second derivatives. y = - 5x4+1 dy dx 승 라 ||| dx2

Answers

The first derivative is dy/dx = [tex]-20x^3[/tex], and the second derivative is d^2y/dx^2 = -60x^2.

The function you provided is: y =[tex]-5x^4 + 1[/tex]

To find the first derivative (dy/dx), we'll use the power rule which states that if y = x^n, then dy/dx =[tex]n * x^(n-1)[/tex].

Applying this rule to each term, we get: dy/dx = [tex]d(-5x^4)/dx + d(1)/dx[/tex]dy/dx =[tex]-5(4x^(4-1)) + 0[/tex] (since the derivative of a constant is 0) dy/dx = [tex]-20x^3[/tex]

Now, to find the second derivative [tex](d^2y/dx^2)[/tex], we'll differentiate the first derivative again using the power rule: [tex]d^2y/dx^2 = d(-20x^3)/dx d^2y/dx^2 = -20(3x^(3-1)) d^2y/dx^2 = -60x^2[/tex]

So, the first derivative is dy/dx = [tex]-20x^3[/tex], and the second derivative is [tex]d^2y/dx^2 = -60x^2.[/tex]

Learn more about power rule,

https://brainly.com/question/29288036

#SPJ11

Let f(x) = Show that there is no value c E (1,4) such that f'(c) = f(4) – f(1)/4-1. Why is this not a contradiction of the Mean Value Theorem?

Answers

Derivative f'(c) equals the average rate of change of f(x) over the interval [1, 4], which is given by (f(4) - f(1))/(4 - 1).

It's not a contradiction of the Mean Value Theorem, as we don't have sufficient information to confirm if the conditions for applying the MVT are met.

A more detailed explanation of the answer.

We need to discuss the Mean Value Theorem and determine if it's a contradiction for the given function.

Let f(x) be a continuous function on the interval [1, 4] and differentiable on the open interval (1, 4). According to the Mean Value Theorem (MVT), if these conditions are met, there exists a value c in the open interval (1, 4) such that the derivative f'(c) equals the average rate of change of f(x) over the interval [1, 4], which is given by (f(4) - f(1))/(4 - 1).

However, in your question, the function f(x) is not specified. We cannot determine whether f(x) is continuous on [1, 4] and differentiable on (1, 4) without knowing its specific form. Therefore, we cannot conclude that the MVT is applicable in this case.

So, it's not a contradiction of the Mean Value Theorem, as we don't have sufficient information to confirm if the conditions for applying the MVT are met. If you could provide the specific function f(x), we could further analyze the situation and determine if the MVT can be applied.

Learn more about Mean Value Theorem.

brainly.com/question/29107557

#SPJ11

In a poll of students at the football championship, 90% of the students say that football is better than basketball.

Explain why it is not a valid conclusion to say that football is more popular than basketball at school.

Suggest a better method of determining which sport is more popular.

Answers

Answer:

Part (a):  Because the survey was held at basketball championship.

Part (b): The survey among students should held at school or in any common place.

Step-by-step explanation:

(12.7)
2. A swimming pool is in the shape of a rectangular
prism with a horizontal cross-section 10 feet by 20
feet. The pool is 5 feet deep and filled to capacity.
Water has a density of approximately 60 pounds
per cubic foot
What is the approximate mass of water in the pool?
A. 8,000 lb.
B.
12,500 lb.
C
16,700 lb.
D. 60,000 lb.

Answers

Answer:

Step-by-step explanation:

The volume of the pool can be calculated as:

Volume = length x width x height

Volume = 10 ft x 20 ft x 5 ft

Volume = 1000 cubic feet

The mass of the water in the pool can be calculated as:

Mass = Volume x Density

Mass = 1000 cubic feet x 60 pounds/cubic foot

Mass = 60,000 pounds

Therefore, the approximate mass of water in the pool is 60,000 lb , which corresponds to option D.

A triangular pane of glass has a height of 32 inches and an area of 256 square inches. What is the length of


the base of the pane?


The length of the base of the pane is


inches.

Answers

The length of the base is 16 inches.

To find the length of the base of the triangular pane of glass, we can use the formula for the area of a triangle which is:

Area = (1/2) x base x height

We are given that the height of the pane is 32 inches and the area is 256 square inches. Substituting these values into the formula, we get:

256 = (1/2) x base x 32

To isolate the base, we can divide both sides by (1/2) x 32, which simplifies to 16. This gives us:

256 ÷ 16 = base

Simplifying the left side of the equation, we get:

16 = base

Therefore, the length of the base of the pane is 16 inches.

In summary, the triangular pane of glass has a height of 32 inches and an area of 256 square inches. To find the length of the base, we use the formula for the area of a triangle and solve for the base.

To know more about length, refer to the link below:

https://brainly.com/question/15681584#

#SPJ11

Angle θ is in standard position and

(



5

,



6

)

(−5,−6) is a point on the terminal side of θ. If

0





θ

<

36

0



0



≤θ<360



, what is the measure of θ, to the nearest tenth of a degree (if necessary)?

Answers

The measure of angle θ, to the nearest tenth of a degree is 233.1°.

To find the measure of angle θ, we need to use trigonometry. We can see that the point (-5,-6) lies in the third quadrant since both x and y coordinates are negative. We can draw a right-angled triangle with the origin (0,0) as the vertex and the given point (-5,-6) as one of the vertices on the x-y plane.

The hypotenuse of this triangle will be the distance between the origin and the point (-5,-6), which can be calculated using the Pythagorean theorem.

Using the Pythagorean theorem, we get:

√(5²+6²) = √(25+36) = √61

Now we can use trigonometry to find the measure of angle θ. We can see that the sine of θ is equal to the opposite side over the hypotenuse and the cosine of θ is equal to the adjacent side over the hypotenuse. So we have:

sin θ = -6/√61 and cos θ = -5/√61

Using a calculator, we can find that θ is approximately 233.1° to the nearest tenth of a degree.

To know more about standard position, refer here:

https://brainly.com/question/30382689#

#SPJ11

gabriela is building wooden box that is 15 in. tall and has a rectangular base that is 18 in by 15 in

Answers

A open box without a top 1260 sq. in. wood will Gabriella use.

Since the top of the box is the same area as the base, calculate the base.

B = length × width

Length of the wooden box = 18 in.

Width of the wooden box = 15 in.

B = 18(15) = 270 in.

Calculate the surface area of the box.

Surface Area = 2(B + wh + hl)

h = 15

w × h = 15(15) = 225

h × l = 15(18) = 270

Surface Area of the wooden box = 2(270 + 225 + 270) = 2(765) = 1,530 sq. inches

Subtract the base from the surface area: 1,530 - 270 = 1,260sq. in.

Learn more about Surface area of box at:

https://brainly.com/question/22998786

#SPJ1

The given question is incomplete, complete question is:

Gabriella is beauty a wooden box with a rectangular base that is 18 in by 15 in and is 15 in tall if she wants a open box without a top how much wood will Gabriella use

What is question asking??? All I need is one example and I get the rest I just don’t understand the assignment

Answers

It's actually asking you to find the angles within the circles and match it with the angles it's supposed to be. For example if angle COE is 90° (im taking a fake angle value), you should put arc CE <——> 90

If you are still confused and need me to do it so that you can understand what I mean, reply and I'll help you!

Answer:

See below

Step-by-step explanation:

The objective of the question has been well explained by user vaishub1101.

I am just adding an additional hint and one answer to get you going

Since you just needed one example, I am providing just that
One thing to note in the figure is that segments DEF, ACD and ABF are all tangents to the circle. This fact is important since at the point of tangency (where the tangent touches the circle), the tangent to a circle is always perpendicular to the radius.

Using this knowledge and the given angles we can compute all the other angles but not the arc length [tex]\frown \atop {CE}[/tex] since to find arc length we need the value of the radius

As an example to help you get going,
[tex]\angle{DFA} \longleftrightarrow 58^\circ[/tex]

You would drag the tile with ∠DFA to the top left box and the tile with 58° to the top right box

I am sure you can figure out the rest or else user vaishub1101 can help you out with the rest

On March 1 a commodity's spot price is $60 and its August futures price is $59. On July 1 the spot price is $64 and the

August futures price is $63. 50. A company entered into futures contracts on March 1 to hedge its purchase of the

commodity on July 1. It closed out its position on July 1. What is the effective price (after taking account of hedging) paid

by the company?

Answers

The effective price paid by the company after taking account of hedging would be $63.50, which is the August futures price on July 1. Calculate the profit or loss on the futures contracts and subtract that from the spot price on July 1, to determine the effective.

By entering into futures contracts on March 1, the company was able to lock in the price of $59 for the commodity, when the spot price was $60 and the futures price was $59, the difference between the futures price and the spot price on March 1 was $1 ($60 - $59), so the company had to pay an extra $1 per unit to hedge its purchase.

When the spot price increased to $64 on July 1, the company was still able to purchase the commodity at the lower hedged price of $59, plus the cost of the futures contract, which resulted in an effective price of $63.50. Overall, hedging helped the company mitigate the risk of price volatility and ensured a more predictable cost for the commodity purchase.

Effective price = Spot price - Profit from futures contracts

Effective price = $64 - $0.50(The difference between the futures price and the spot price on July 1 was $0.50 ($64 - $63.50))

Effective price = $63.50 per unit

Therefore, the effective price paid by the company after taking into account hedging was $63.50 per unit.

To learn more about purchase: https://brainly.com/question/27975123

#SPJ11

If the cost and revenue functions (in dollars) for producing x washing machines is given by C(x) = 10,000+ 0.7x² and R(x) =0.3x² , find the number of washing machines to produce that will maximize profit. You must use Calculus methods to receive credit

Answers

Producing 0 washing machines is not a practical solution for a company.

To maximize profit, we need to find the difference between revenue and cost functions, which gives us the profit function P(x):

P(x) = R(x) - C(x) = (0.3x²) - (10,000 + 0.7x²)

Simplify the profit function:

P(x) = -0.4x² + 10,000

Now, to maximize profit, we'll find the critical points by taking the first derivative of P(x) with respect to x:

P'(x) = dP(x)/dx = -0.8x

Set P'(x) to zero and solve for x:

-0.8x = 0
x = 0

Since the profit function P(x) is a quadratic with a negative leading coefficient, the maximum value will occur at the critical point x = 0. However, producing 0 washing machines is not a practical solution for a company.

To maximize profit while producing washing machines, the company should consider other factors beyond the given cost and revenue functions, such as market demand and production capacity.

To learn more about critical points, refer below:

https://brainly.com/question/29144288

#SPJ11

Use the following information to create a two way table that shows the type of music a person likes compared to their gender. 94 males were surveyed. 13 males liked jazz. 27 females liked rock. 90 people total liked rock. 66 females liked country. 200 people total were surveyed

Answers

Here is a two way table that shows the type of music a person likes compared to their gender:

|               | Males | Females | Total |
|---------------|-------|---------|-------|
| Jazz          | 13    | 0       | 13    |
| Rock          | 54    | 27      | 81    |
| Country       | 0     | 66      | 66    |
| Total         | 67    | 93      | 200   |

In this table, we can see that out of the 94 males surveyed, 13 of them liked jazz. Out of the 106 females surveyed, 27 of them liked rock and 66 of them liked country. Overall, out of the 200 people surveyed, 81 of them liked rock, 13 of them liked jazz, and 66 of them liked country.

To know more about statistics refer here:

https://brainly.com/question/30218856?referrer=searchResults

#SPJ11

Mr. Smith invested $2500 in a savings account that earns 3% interest compounded


annually. Find the following:


1. Is this exponential growth or exponential decay?


2. Domain


3. Range


4. Y-intercept


5. Function Rule

Answers

The 99% confidence interval for the population mean is between 39.18 and 62.82, assuming that the population is normally distributed.

How to find the range of the population?

To construct a confidence interval for the population mean, we need to make certain assumptions about the distribution of the sample data and the population. In this case, we assume that the population is normally distributed, the sample size is small (less than 30), and the standard deviation of the population is unknown but can be estimated from the sample data.

Using these assumptions, we can calculate the confidence interval as:

CI = X ± tα/2 * (s/√n)

Where X is the sample mean, tα/2 is the critical value of the t-distribution with degrees of freedom (n-1) and a confidence level of 99%, s is the sample standard deviation, and n is the sample size.

Plugging in the values from the provided data, we get:

CI = 51 ± 2.898 * (17/√18)

CI = (39.18, 62.82)

Therefore, with 99% confidence, we can estimate that the population mean is between 39.18 and 62.82 based on the provided data.

Learn more about  intervals

brainly.com/question/30486507

#SPJ11

The base of a triangular prisms has an area of 18 square inches if the height of the prism is 9. 5 inches then what what is the volume of the prism

Answers

The volume of the triangular prism is 171 cubic inches.

To find the volume of a triangular prism, you need to multiply the area of the base by the height of the prism. In this case, the base of the prism has an area of 18 square inches and the height is 9.5 inches. So, the volume of the prism can be calculated as follows:

Volume = Base Area x Height
Volume = 18 sq. in. x 9.5 in.
Volume = 171 cubic inches

Therefore, the volume of the triangular prism is 171 cubic inches.

Learn more about  volume of the triangular prism,

https://brainly.com/question/29663752

#SPJ11

A circle is circumscribed around a regular octagon with side lemgths of 10 feet. Another circle is inscribed inside the octagon. Find the area. Of the ring created by the two circles. Round the respective radii of the circles to two decimals before calculating the area

Answers

The area of the ring is 1,462.81 square feet, under the condition that a circle is circumscribed around a regular octagon with side lengths of 10 feet.

The area of the ring formed by the two circles can be evaluated using the formula for the area of a ring which is

Area of ring = π(R² - r²)

Here
R = radius of the larger circle
r = smaller circle radius

The radius of the larger circle is equal to half the diagonal of the octagon which is 10 feet. Applying Pythagoras theorem, we can evaluate that the length of one side of the octagon is 10/√2 feet.
Radius of the larger circle is

R = 5(10/√2)
= 25√2/2 feet
≈ 17.68 feet

Staging these values into the formula for the area of a ring,

Area of ring = π(17.68² - 10²) square feet

Area of ring ≈ 1,462.81 square feet
To learn more about Pythagoras theorem theoretheore
https://brainly.com/question/343682
#SPJ4

Patricia bought 4 apples and 9 bananas for $12. 70 Jose bought 8 apples and I bananas for $17. 70 at the same grocery store What is the cost of one apple?​

Answers

Let's denote the cost of one apple as 'a' and the cost of one banana as 'b'. We can set up a system of two equations to represent the given information:

4a + 9b = 12.70   (equation 1)

8a + b = 17.70    (equation 2)

We can use either substitution or elimination method to solve for 'a' or 'b'. Let's use the elimination method by multiplying equation 2 by 9 and subtracting it from equation 1:

4a + 9b = 12.70

-(72a + 9b = 159.30)   (multiplying equation 2 by 9)

------------------

-68a = -146.60

Dividing both sides by -68, we get:

a ≈ 2.16

Therefore, the cost of one apple is approximately $2.16.

To know more about costs , refer here :

https://brainly.com/question/14725550#

#SPJ11

Luca places $2,000 in an account that earns 2. 5% nominal yearly interest, compounded quarterly. Which of


the following is closest to the amount that the account is worth after 15 years if no additional deposits nor


withdrawals are made?


(1) $2,751. 08


(3) $2,853. 75


(2) $2,812. 19


(4) $2,906. 59

Answers

The closest answer to the amount that the account is worth after 15 years is $2,812.19, Therefore Option 3 is correct

The formulation for calculating the future value (FV) of an investment with compound interest is:

[tex]FV = P * (1 + r/n)^{(n*t)}[/tex]

Wherein P is the primary (the initial amount invested), r is the once a year interest rate, n is the variety of times the interest is compounded per year, and t is the term in years.

In this case, P = $2,000, r = 2.5% = 0.0.5, n = 4 (for the reason that interest is compounded quarterly), and t = 15. Plugging those values into the formulation, we get:

[tex]FV = $2,000 * (1 + 0.1/2/4)^{(4*15)}[/tex]

FV ≈ $2,812.19

Therefore, the closest answer to the amount that the account is worth after 15 years is $2,812.19.

Learn more about future value (FV):-

https://brainly.com/question/30390035

#SPJ4

Let f(t) be the outside temperature (°F) 7 hours after 2 A.M. Explain the meaning of f(4) < f(11) .

Answers

The term f(4) < f(11) means that the temperature is lower at 4 A.M. than it is at 11 A.M., and this inequality can be used to make predictions about temperature changes over time.

The function f(t) represents the temperature at a specific time t. In this case, f(t) is the outside temperature (in degrees Fahrenheit) 7 hours after 2 A.M. So, we can think of f(4) as the temperature 4 hours after 2 A.M. and f(11) as the temperature 11 hours after 2 A.M.

Now, the inequality f(4) < f(11) means that the temperature 4 hours after 2 A.M. is less than the temperature 11 hours after 2 A.M. In other words, the temperature is lower at 4 A.M. than it is at 11 A.M. This might seem obvious, as we generally expect temperatures to rise as the day progresses and the sun comes up. However, this inequality is useful for making more specific predictions about temperature changes.

For example, if we know that f(4) < f(11), we can predict that the temperature will increase between 4 A.M. and 11 A.M. This might be important information if you're planning outdoor activities or need to dress appropriately for the day's weather.

To know more about temperature here

https://brainly.com/question/11464844

#SPJ1

Gazza and Julia have each cut a rectangle out of paper. One side is 10 cm. The other side is n cm. (a) They write down expressions for the perimeter of the rectangle. Julia writes Gazza writes 2n+20 2(n + 10) Put a circle around the correct statement below.
Julia is correct and Gazza is wrong.
Gazza is correct and julia is wrong.
Both are correct.
Both are wrong.​

Answers

The correct statement regarding the perimeter of the rectangle is given as follows:

Both are correct.

What is the perimeter of a polygon?

The perimeter of a polygon is given by the sum of all the lengths of the outer edges of the figure, that is, we must find the length of all the edges of the polygon, and then add these lengths to obtain the perimeter.

The rectangle in this problem has:

Two sides of n cm.Two sides of 10 cm.

Hence the perimeter is given as follows:

2 x 10 + 2 x n = 2 x (10 + n) = 20 + 2n = 2n + 20 cm.

Hence both are correct.

More can be learned about the perimeter of a polygon at https://brainly.com/question/3310006

#SPJ1

Probability and likelihood

a team of scientists is studying the animals at a nature reserve. They capture the animals, mark them so they can identify each animal, and then release them back into the park. The table gives the number of animals they’ve identified. Use this information to complete the two tasks that follow.


animal total in park number marked

elk 5,625 225

wolf 928 232

cougar 865 173

bear 1,940 679

mountain goat 328 164

deer 350 105

moose 215 86

part a

what is the probability of the next elk caught in the park being unmarked? write the probability as a fraction, a decimal number, and a percentage.



font sizes





characters used: 310 / 15000

part b

describe the likelihood of the next elk caught being unmarked.



font sizes





characters used: 58 / 15000

part c

describe a simulation that you can use to model this situation.



font sizes





characters used: 374 / 15000

part d

what is the probability of the next wolf caught in the park being unmarked? write the probability as a fraction, a decimal number, and a percentage.



font sizes





characters used: 54 / 15000

part e

describe the likelihood of the next wolf caught being unmarked.



font sizes





characters used: 0 / 15000

part f

describe a simulation that you can use to model this situation. The simulation should be different from the one in part c.



font sizes





characters used: 86 / 15000

part g

in the unit, you found the probability of a compound event by identifying the sample space. However, it is also possible to find the probability of a compound event without finding the sample space. To do this, multiply the probability of the first event by the probability of the second event. For example, the probability of flipping heads twice on a coin is. Using this idea, what is the probability that the next cougar and bear caught will both be unmarked?



font sizes





characters used: 0 / 15000

part h

describe the likelihood that the next cougar and bear caught are both unmarked.



font sizes





characters used: 0 / 15000

part i

describe a simulation that you can use to model this event.



font sizes





characters used: 0 / 15000

part j

using the method described in part g, what is the probability that the next mountain goat, deer, and moose caught are all unmarked?



font sizes





characters used: 0 / 15000

part k

describe the likelihood that the next mountain goat, deer, and moose caught are all unmarked.



font sizes





characters used: 0 / 15000

part l

describe a simulation that you can use to model this event. Your simulation should be different from the one in part i.



font sizes





characters used: 0 / 15000

Answers

Part g, h, i, j, k, and l:

Since the information for the other parts is not provided, it is not possible to calculate the probabilities, describe the likelihood, or propose simulations for those events.

Part a:

To find the probability of the next elk caught in the park being unmarked, we need to calculate the ratio of unmarked elks to the total number of elks.

Total number of elks: 5,625

Number of marked elks: 225

Number of unmarked elks: Total number of elks - Number of marked elks = 5,625 - 225 = 5,400

Probability = Number of unmarked elks / Total number of elks = 5,400 / 5,625

As a fraction: 5,400/5,625

As a decimal: 0.96

As a percentage: 96%

Part b:

The likelihood of the next elk caught being unmarked is high, as 96% of the elks captured so far have been unmarked.

Part c:

One possible simulation to model this situation is as follows:

Create a sample space consisting of 5,625 elks.

Randomly select an elk from the sample space.

Determine if the elk is marked or unmarked.

Repeat steps 2 and 3 for a desired number of simulations to observe the distribution of marked and unmarked elks.

Part d:

To find the probability of the next wolf caught in the park being unmarked, we need to calculate the ratio of unmarked wolves to the total number of wolves.

Total number of wolves: 928

Number of marked wolves: 232

Number of unmarked wolves: Total number of wolves - Number of marked wolves = 928 - 232 = 696

Probability = Number of unmarked wolves / Total number of wolves = 696 / 928

As a fraction: 696/928

As a decimal: 0.75

As a percentage: 75%

Part e:

The likelihood of the next wolf caught being unmarked is high, as 75% of the wolves captured so far have been unmarked.

Part f:

One possible simulation to model this situation is as follows:

Create a sample space consisting of 928 wolves.

Randomly select a wolf from the sample space.

Determine if the wolf is marked or unmarked.

Repeat steps 2 and 3 for a desired number of simulations to observe the distribution of marked and unmarked wolves.

Part g, h, i, j, k, and l:

Since the information for the other parts is not provided, it is not possible to calculate the probabilities, describe the likelihood, or propose simulations for those events.

To learn more about sample, refer below:

https://brainly.com/question/13287171

#SPJ11

18. Mr. Kamau wishes to buy some items for his son and daughter. The son's item costs sh. 324 while
the daughter item costs sh. 220 each. Mr. Kamau would like to give each of them equal amount of
money.
a) How many items will each person buys.

Answers

Answer:

if Mr. Kamau wants to give each of his children an equal amount of money, he can either:

Buy 1 item for his son (costing sh. 324) and 0 items for his daughter, giving each child sh. 162.

Buy 1 item for his son (costing sh. 324) and 1 item for his daughter (costing sh. 220), giving each child sh. 272.

Step-by-step explanation:

Let x be the number of daughter items that Mr. Kamau will buy for his daughter. Since the son's item costs sh. 324, we know that each child should receive sh. (324 + 220x)/2.

We want to find how many items each child will buy, so we need to solve for x in the equation:

(324 + 220x)/2 = 220

Multiplying both sides by 2, we get:

324 + 220x = 440

Subtracting 324 from both sides, we get:

220x = 116

Dividing both sides by 220, we get:

x = 0.527

Since we can't buy a fraction of an item, Mr. Kamau should buy either 0 or 1 daughter item for his daughter. If he buys 0 daughter items, he can give his son sh. (324 + 2200)/2 = sh. 162. If he buys 1 daughter item, he can give each child sh. (324 + 2201)/2 = sh. 272. Therefore, the possible scenarios are:

Mr. Kamau buys 0 daughter items. His son buys 1 item and his daughter buys 0 items.

Mr. Kamau buys 1 daughter item. His son buys 1 item and his daughter buys 1 item.

PLEASE HELP
A survey was done that asked people to indicate whether they prefer saltwater fishing or freshwater fish in the results of the survey are shown in the two way table
complete a relative frequency table from this data.
enter your answer is rounded to the nearest 10th of a percent in the boxes

Answers

According to the above, the fishing population is divided into 53% prefer fresh water and 47% prefer salt water.

How to find the percentages of each group?

To find the percentage of people that make up each group, we must find the total number of people who were surveyed:

228 + 245 + 242 + 285 = 1,000

Once we find the total number of people who took the survey, we can find the percentage of each value by making rules of three as shown below:

Age 30 and younger and Saltwater fishing:

1,000 = 100%

228 = ?%

228 * 100 / 1,000 = 22.8%

Age 30 and younger and Freshwater fishing:

1,000 = 100%

245 = ?%

245 * 100 / 1,000 = 24.5%

Over 30 years old and Saltwater fishing:

1,000 = 100%

242 = ?%

242 * 100 / 1,000 = 24.2%

Over 30 years old and Freshwater fishing:

1,000 = 100%

285 = ?%

285 * 100 / 1,000 = 28.5%

To find the other percentages we must find the total number of fishermen by age ranges and by fishing preference:

Age ranges

228 + 245 = 473

242 + 285 = 527

1,000 = 100%

473 = ?%

473 * 100 / 1,000 = 47.3%

1,000 = 100%

527 = ?%

527 * 100 / 1,000 = 52.3%

Fishing mode preferences

228 + 242 = 470

245 + 285 = 530

1,000 = 100%

530 = ?%

530 * 100 / 1,000 = 53%

1,000 = 100%

547 = ?%

470 * 100 / 1,000 = 47%

Learn more about percentages at: https://brainly.com/question/29306119

#SPJ1

the radius of the area of a cylinder is 36m and it’s height is 46m. find the surface area of the cylinder in terms of

Answers

Surface area of the cylinder in terms of [tex]$\pi$[/tex] is [tex]$5904\pi m^2$[/tex].

How to find the surface area of the cylinder?

The surface area of a cylinder can be calculated by adding the area of the two bases (which are circles) and the lateral area (which is the area of the curved surface).

The radius of the cylinder is given as 36m and the height as 46m. Therefore, the diameter of the cylinder is 72m (twice the radius). Using the formula for the area of a circle, we can calculate the area of each base:

[tex]$A_{base} = \pi r^2 = \pi (36m)^2 = 1296\pi m^2$[/tex]

The lateral area of the cylinder can be calculated using the formula:

[tex]$A_{lateral} = 2\pi r h$[/tex]

Substituting the given values, we get:

[tex]$A_{lateral} = 2\pi (36m) (46m) = 3312\pi m^2$[/tex]

Therefore, the total surface area of the cylinder is:

[tex]$A_{total} = A_{base} + A_{lateral} + A_{base} = 2A_{base} + A_{lateral}$[/tex]

Substituting the values we calculated, we get:

[tex]$A_{total} = 2(1296\pi m^2) + 3312\pi m^2 = 5904\pi m^2$[/tex]

So the surface area of the cylinder in terms of [tex]$\pi$[/tex] is [tex]$5904\pi m^2$[/tex].

To know more about Surface area visit:

brainly.com/question/27157871

#SPJ1

An investment of $4000 is deposited into an account in which interest is compounded continuously. complete the table by filling in the amounts to which the investment grows at the indicated interest rates. (round your answers to the nearest cent.)
t = 4 years

Answers

The investment grows to $4,493.29 at 2% interest, $4,558.56 at 3% interest, $4,625.05 at 4% interest, $4,692.79 at 5% interest, and $4,761.81 at 6% interest after 4 years of continuous compounding.

To solve this problem, we need to use the formula for continuous compound interest:
A = Pe^(rt)

Where A is the amount after t years, P is the initial principal, e is the mathematical constant approximately equal to 2.71828, r is the annual interest rate, and t is the time in years.

Using the given information, we can fill in the table as follows:

Interest Rate | Amount after 4 years
--------------|---------------------
2%            | $4,493.29
3%            | $4,558.56
4%            | $4,625.05
5%            | $4,692.79
6%            | $4,761.81

To find the amount after 4 years at each interest rate, we plug in the values of P, r, and t into the formula and simplify:

2%: A = $4000 * e^(0.02*4) = $4,493.29
3%: A = $4000 * e^(0.03*4) = $4,558.56
4%: A = $4000 * e^(0.04*4) = $4,625.05
5%: A = $4000 * e^(0.05*4) = $4,692.79
6%: A = $4000 * e^(0.06*4) = $4,761.81

Therefore, the investment grows to $4,493.29 at 2% interest, $4,558.56 at 3% interest, $4,625.05 at 4% interest, $4,692.79 at 5% interest, and $4,761.81 at 6% interest after 4 years of continuous compounding.

Know more about interest here:

https://brainly.com/question/25720319

#SPJ11

Rick drew a rhombus. What names might describe the figure based on what you know about quadrilaterals? Explain. ​

Answers

Since it has four sides and four angles, it is also simply called a quadrilateral.

Rick drew a rhombus. Some names that might describe the figure, considering the properties of quadrilaterals, are:
Quadrilateral: A rhombus is a type of quadrilateral, which means it has four sides and four angles.
Parallelogram: A rhombus is also a parallelogram because its opposite sides are parallel to each other.
Square: If the rhombus has four right angles, then it can also be called a square. A square is a specific type of rhombus and a special case of a parallelogram where all angles are right angles.
A rhombus is a type of quadrilateral that has four sides of equal length. It is also classified as a parallelogram because it has two pairs of parallel sides. Additionally, since all angles in a rhombus are equal, it can also be called an equilateral parallelogram. Finally, since it has four sides and four angles, it is also simply called a quadrilateral.
So, Rick's figure can be described as a quadrilateral, parallelogram, and potentially a square depending on its angles.

Learn more about quadrilaterals here, https://brainly.com/question/27991573

#SPJ11

Explain how to find the measure of angles a and b has a measure of 36 degrees

Answers

The measure of angles a and b is 36 degrees if they are alternate interior angles formed by a transversal intersecting two parallel lines.

How to find the measure of angles a and b with a measure of 36 degrees?

To find the measure of angles a and b when angle b has a measure of 36 degrees, we need additional information.

If we assume that angles a and b are adjacent angles formed by two intersecting lines, then we can use the fact that adjacent angles are supplementary, meaning their measures add up to 180 degrees. Since angle b has a measure of 36 degrees, we subtract it from 180 to find angle a.

Thus, angle a = 180 - 36 = 144 degrees. Therefore, angle a has a measure of 144 degrees when angle b has a measure of 36 degrees.

Learn more about measure

brainly.com/question/4725561
#SPJ11

Help Mr. Johnson has a swimming pool in the shape of a rectangular prism. The dimensions of the pool are 2. 5 meters by 4. 5 meters. He fills the pool with 1. 2 meters of water. What is the volume of water in Mr. Johnson's pool?​

Answers

There are 13.5 cubic meters of water in Mr. Johnson's pool.

Volume is defined as the space occupied within the boundaries of an object in three-dimensional space.

To find the volume of water in Mr. Johnson's pool, we need to multiply the length, width, and depth of the pool. The length is 2.5 meters, the width is 4.5 meters, and the depth of water is 1.2 meters.

So, the volume of water in Mr. Johnson's pool is:

2.5 meters x 4.5 meters x 1.2 meters = 13.5 cubic meters

Therefore, there are 13.5 cubic meters of water in Mr. Johnson's pool.

Learn more about volume,

https://brainly.com/question/27710307

#SPJ11

Let E be the smallest region enclosed by the cone Z = - no Ix² + y² and the sphere x2 + y2 + z2 = 32 (note, it is the same region as in Question 8). Then, using spherical coordinates we can compute the volume of E as b d t Vol(E) = = [F(0,0,6) dø do dp, a Cs where F(0,0,0) = a = b = с = d = S = t =

Answers

the volume of the smallest region E enclosed by the cone and sphere is (64/3)π(1 - no⁴/5), where no is the constant in the equation of the cone Z = - no Ix² + y².

To compute the volume of the smallest region E enclosed by the cone and sphere, we will use spherical coordinates. In spherical coordinates, a point in 3D space is represented by three values: radius (r), polar angle (θ), and azimuthal angle (φ).

First, we need to find the intersection of the cone and sphere. Substituting Z = - no Ix² + y² into the equation of the sphere, we get x² + y² + (- no Ix² + y²)² = 32. Simplifying this equation gives us x² + y² + no²x⁴ - 2no²x²y² + y⁴ = 32. We can rewrite this equation in terms of r, θ, and φ as follows:

r²sin²θ + no²r⁴cos⁴θsin²θ - 2no²r⁴cos²θsin²θ + no²r⁴cos²θsin⁴θ = 32

Simplifying this equation gives us:

r = √(32/(sin²θ + no²cos²θsin²θ))

Next, we need to find the limits of integration for r, θ, and φ. Since the region E is enclosed by the sphere x² + y² + z² = 32, we know that the maximum value of r is 4√2. The minimum value of r is zero. The limits of integration for θ are 0 to π/2, since the cone is pointing downwards in the negative z direction. The limits of integration for φ are 0 to 2π, since the region E is symmetric about the z-axis.

The volume of the region E can be computed using the following integral:

Vol(E) = ∫∫∫ r²sinθ dr dθ dφ

Integrating over the limits of integration for r, θ, and φ, we get:

Vol(E) = ∫₀^(2π) ∫₀^(π/2) ∫₀^(4√2) r²sinθ dr dθ dφ

Evaluating this integral gives us:

Vol(E) = (64/3)π(1 - no⁴/5)

Therefore, the volume of the smallest region E enclosed by the cone and sphere is (64/3)π(1 - no⁴/5), where no is the constant in the equation of the cone Z = - no Ix² + y².
Hi! To compute the volume of the region E enclosed by the cone Z = -√(x² + y²) and the sphere x² + y² + z² = 32 using spherical coordinates, we can set up the triple integral as follows:

Vol(E) = ∫∫∫ ρ² sin(φ) dρ dθ dφ

In spherical coordinates, the cone Z = -√(x² + y²) becomes φ = 3π/4, and the sphere x² + y² + z² = 32 becomes ρ = 4.

The limits of integration are:
- ρ: 0 to 4
- θ: 0 to 2π
- φ: π/2 to 3π/4

So, the triple integral can be written as:

Vol(E) = ∫(ρ=0 to 4) ∫(θ=0 to 2π) ∫(φ=π/2 to 3π/4) ρ² sin(φ) dρ dθ dφ

By calculating this triple integral, we can find the volume of the region E.

To know more about limits of integration  click here:

brainly.com/question/31013115

#SPJ11

Other Questions
McGilla Golf has decided to sell a new line of golf clubs. The clubs will sell for $900 per set and have a variable cost of $400 per set. The company has spent $166,000 for a marketing study that determined the company will sell 71. 000 sets per year for seven years. The marketing study also determined that the company will lose sales of 16,000 sets of its high-priced clubs. The high-priced clubs sell at $1,400 and have variable costs of $800. The company will also increase sales of its cheap clubs by 13,000 sets. The cheap clubs sell for $500 and have variable costs of $200 per set. The fixed costs each year will be $8,280,000. The company has also spent $1,159,000 on research and development for the new clubs. The plant and equipment required will cost $23,000,000 and will be depreciated on a straight-line basis. The new clubs will also require an increase in net working capital of $1,101,000 that will be returned at the end of the project. The tax rate is 24 percent, and the cost of capital is 9 percent. McGilla Golf would like to know the sensitivity of NPV to changes in the price of the new clubs and the quantity of new clubs sold. A. What is the sensitivity of the NPV to changes in the price of the new club?b. What is the sensitivity of the NPV to changes in the quantity sold? Emma is making a scale drawing of her farm using the scale 1 centimeter to 2. 5 feet. In the drawing, she drew a well with a diameter of 0. 5 ccentimeter. Which is the closest to the actual circumference of the well? Particles q1 = +8. 0 C, 92 = +3. 5 uc, andq3 = -2. 5 uC are in a line. Particles qi and q2 areseparated by 0. 10 m and particles q2 and q3 areseparated by 0. 15 m. What is the net force onparticle q?Remember: Negative forces (-F) will point LeftPositive forces (+F) will point Right-2. 5 +8. 0 C+91+3. 5 +9293K 0. 10 m+0. 15 m If the glaciers melted at a rate of 5% per year, how long will it take 50% of the glaciers to melt? Carbon and Silicon are in the same group in the periodic table. Silicon oxide melts at 2440 degrees Celsius while solid carbon dioxide sublimes at -70 degrees Celsius. In terms of structure and bonding, explain the difference Tina is selling tickets for a fundraiser. She wants to sell more than $300 worthof tickets. The inequality 12t> 300 canbe used to determine the number oftickets, t, she must sell in order to meether goal. Which number line representsthe solution to this inequality? (6. 9B |6. 1A, 6. 1B, 6. 10, 6. 1F)102030Bto102030++o+102030D+10O2030 Which sentence from "A Baseball School for Big-League Dreamers" best supports the main idea of the article?Tuition, room and board here for the combined academic and sports program is about $70,000 a year. Most players here wont ever put on a big-league uniform, but they come to IMG trying to find and reach their potential. He remembers being fascinated by how the players and coaches talked and how fans reacted to the gameKetch doesnt think about the numbers Marcos llega a un cruce.__el carro.a. Parab. Doblac. Estacionad.Llena Clayton leased an SUV for his business. The lease cost $421.38 per month for 48 months. He paid a $2,500 deposit, an $85 title fee, and a $235 license fee. Find the total lease cost. Find the degree of the monomial. 3a^8b^7 Will award you points!Read the chemical equation. N2 + 3H2 2NH3 Using the volume ratio, determine how many liters of NH3 is produced if 3. 6 liters of H2 reacts with an excess of N2, if all measurements are taken at the same temperature and pressure? 5. 4 liters 2. 4 liters 1. 8 liters 1. 2 liters 7 2 14 3 8 11 5 each time a card is picked it is replaced estimate the expected number of even numbers picked in 35 picks 3. Why was Democrat Woodrow Wilson able to win two presidential elections during an era of Republican Party control?O Expanded voting rights resulted in more Democratic voters.O The resignation of a Republican President damaged the party.O Farmers, laborers, businessmen, and freed slaves supported Wilson.Republican support was divided between two candidates. Please hurry I need it ASAP in the optimistic approach, during the phase, changes are permanently applied to the database. question 26 options: a) write b) read c) validation d) shared Discuss an example of an experience that you think is universal. what are the challenges of relating an experience to everyone? Activity 3:Direction: Read the sample weather bulletin. Weather Bulletin: Tropical Cyclone Typhoon Rolly (GONI)Sunday, 1 November, 2020 at 4:00 PM (DOST PAG-ASA 2020)Location of Center50 km South Southwest of Tayabas, QuezonCoordinates13. 6N, 121. 40 EStrength of the WindsMaximum sustained winds of 165 km/h nearthe center and gustiness of up to 230 km/h. MovernentMoving westward at 25 km/hForecast positions(24 hours) Afternoon of November 2: 300 kmWest of Iba, Zambales15. 1 N, 117. 20 E(48 hours) Afternoon of November 3: 665 kmWest of Iba, ZambalesOutside PAR (15 N, 113. 8E)(72 hours) Afternoon of November 4: 935 kmWest of Central LuzonOutside PAR (14. 79 N, 111. 6 E)Questions:3. What is the speed of the typhoon winds?What is the velocity of the typhoon?How does speed differ from velocity?How important is knowing the velocity in determining the weatherforecast for the next hours?4Let Us Reflect Quadratic function for (1,-3) in vertex form How many grams are in a sample of 7.9 moles of zinc? (1 point) Consider a piece of wire with uniform density. It is the quarter of a circle in the first quadrant. The circle is centered at the origin and has radius 5. Find the centroid (cy) of the wire. =y= (1 point) Compute the total mass of a wire bent in a quarter circle with parametric equations: 2 = 9 cost, y=9 sint, 0