Assume that the readings at freezing on a bundle of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find the probability of obtaining a reading greater than -0.084°C.
P(Z>-0.084)

Answers

Answer 1

Answer:

0.53347

Step-by-step explanation:

We solve the above question using z score formula

z = (x-μ)/σ, where

x is the raw score = -0.084 °C

μ is the population mean = 0 °C

σ is the population standard deviation = 1°C

Z score =x - μ/σ

= -0.084 - 0/1

= -0.084

Probability value from Z-Table:

P(x<-0.084) = 0.46653

P(x>-0.084) = 1 - P(x<-0.084) = 0.53347

The probability of obtaining a reading greater than -0.084°C = P(x > -0.084) =

is 0.53347


Related Questions

convert 750ml to litres​

Answers

Answer:

0.75 litres

Step-by-step explanation:

1 ml= 0.001 litres

Answer:

0.75 L

Step-by-step explanation:

1 ml = 0.001

0.001*750 = 0.75 L

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Answers

Answer: B

Step-by-step explanation:

Please help me. I will mark brainlest
NO LINKS OR I WILL REPORT
Thank you!

Answers

Answer:

2nd and 3rd

Step-by-step explanation:

2x+1: Term 1: 2x Term 2: +1

1-1/4x: Term 1: 1 Term 2: -1/4x

Some stores print multiple coupons and advertisements on their receipts, making the receipts unusually long. A curious shopper makes the same purchase at a random sample of 10 stores and measures the length of each receipt (in inches). Here are the results:
8.25, 7.5, 5, 9.5, 12, 5.5, 9, 14, 11.5, 18

What is the value of the standard error of the mean?
1.256
1.324
4.992
5.262

Answers

Answer:

Option A

Step-by-step explanation:

The value of the standard error of the mean is 1.256.

We have given that,

Some stores print multiple coupons and advertisements on their receipts, making the receipts unusually long.

A curious shopper makes the same purchase at a random sample of 10 stores and measures the length of each receipt (in inches).

Here are the results,

8.25, 7.5, 5, 9.5, 12, 5.5, 9, 14, 11.5, 18.

What is the standard error of the mean?

The standard error of the mean, or simply standard error, indicates how different the population means is likely to be from a sample mean. It tells you how much the sample means would vary if you were to repeat a study using new samples from within a single population.

Therefore, The value of the standard error of the mean is 1.256.

To learn more about the  standard error visit:

https://brainly.com/question/1191244

#SPJ2

Tella volunteers 10 hours at a local shelter during one month. If she increases her hours by 10% each month, approximately how many hours (total sum) will she volunteer in 7 months?

Answers

Answer:

seventy seven( 77) hours

Place each function below in the appropriate cell to show the transformation from f to g.

Answers

Answer:

[tex]\begin{array}{ccc}{} & {g(x) = f(x) - 2} & {g(x) = f(x) + 2} & {f(x) = 3x^2 + 3} & {g(x) =3x^2 + 1} & {g(x) =3x^2 + 5} & {f(x) = 3x^2 - 3} & {g(x) =3x^2 -5} & {g(x) =3x^2 - 1} \ \end{array}[/tex]

Step-by-step explanation:

Given

See attachment for complete question

Required

Complete the cells

For cell 1:

[tex]f(x) = 3x^2 + 3[/tex]

Solve for [tex]g(x) = f(x) - 2[/tex]

Substitute [tex]f(x) = 3x^2 + 3[/tex]

[tex]g(x) = 3x^2 + 3 - 2[/tex]

[tex]g(x) = 3x^2 + 1[/tex]

For cell 2:

[tex]f(x) = 3x^2 + 3[/tex]

Solve for [tex]g(x) = f(x) + 2[/tex]

Substitute [tex]f(x) = 3x^2 + 3[/tex]

[tex]g(x) = 3x^2 + 3 + 2[/tex]

[tex]g(x) = 3x^2 + 5[/tex]

For cell 3:

[tex]f(x) = 3x^2 - 3[/tex]

Solve for [tex]g(x) = f(x) - 2[/tex]

Substitute [tex]f(x) = 3x^2 - 3[/tex]

[tex]g(x) = 3x^2 - 3 - 2[/tex]

[tex]g(x) = 3x^2 - 5[/tex]

For cell 4:

[tex]f(x) = 3x^2 - 3[/tex]

Solve for [tex]g(x) = f(x) + 2[/tex]

Substitute [tex]f(x) = 3x^2 - 3[/tex]

[tex]g(x) = 3x^2 - 3 + 2[/tex]

[tex]g(x) = 3x^2 - 1[/tex]

So, the complete cell is:

[tex]\begin{array}{ccc}{} & {g(x) = f(x) - 2} & {g(x) = f(x) + 2} & {f(x) = 3x^2 + 3} & {g(x) =3x^2 + 1} & {g(x) =3x^2 + 5} & {f(x) = 3x^2 - 3} & {g(x) =3x^2 -5} & {g(x) =3x^2 - 1} \ \end{array}[/tex]

somebody helpp???????????

Answers

Answer:

were born

Step-by-step explanation:

not every person was born with a silver spoon in his or her mouth.

When p(x)=2x^4+kx+1 is divided by x+1, the remainder is the same as when q(x)=3x^4+kx^2+2 iis divided by x-1. Find k

Answers

Answer:

k = -1

Step-by-step explanation:

Here, we want to get the value of k

Now, to get the remainders, we set the linear factors to zero, solve for x and insert the value of x into the polynomial

for x + 1 = 0

x= -1

insert -1 into p(x)

we have this as;

2(-1)^4 + k(-1) + 1

= 2 - k + 1 = 3-k

for the second

set x-1 to zero

x = 1

insert into q(x)

q(1) = 3(1)^4 + k(1)^2 + 2

= 5 + k

so we can now equate the two remainders;

5 + k = 3-k

k + k = 3-5

2k = -2

k = -2/2

k = -1

Add/Subtract the following polynomials.
1. (3x^2– 5x) + (-x^2- 7X +5)

Answers

2x^2 - 12x+5






hope this helps<3

What type of algebraic questions is 2x+5

A- Linear equation
B- Quadratic equation
C- Cubic equation
D- None of these​

Answers

Answer:

Linear equation

Step-by-step explanation:

Linear equation are first-order polynomials, this kind of expressions has the general form:

y = mx + b

Where m is the slope and b the y-intercept.

The given equation y = 2x + 5, has the form of a linear equation, whose slope equals 2 and intercept equals 5.

Answer:

A

Step-by-step explanation:

how do you solve for p?
-2p +14 > 4

Answers

Answer:

subtract 14 from 4..then divide it by -2

your answer is then p>5

Step-by-step explanation:

hope this helpssss:)

what expression is equivalent to -3(6x+7)+4(7x+2)

Answers

Answer:

10x-13

Step-by-step explanation:

First Distribute:

-18x-21+28x+8

Then combine like terms:

10x-13

i...don't understand how to do this...​

Answers

The two angles with y in them need to add up to 180 degrees

10y + 3y + 11 = 180

Simplify:

13Y + 11 = 180

Subtract 11 from both sides

13y = 169

Divide both sides by 13

Y = 13

Now solve for those two angles:

10y = 10(13) = 130

3y + 11 = 3(13) + 11 = 50

The other two angles are the same as these.

The larger angles = 130

The smaller angles = 50

how can i solve this?

Answers

Answer:

16π   (units squared)

Step-by-step explanation:

Picture a full circle with radius 8.  The area of this full circle is A = πr².

Now substitute 8 for r:  We get A = π(64) = 64π.

Now multiply this result by 1/4 to obtain the area of the figure shown:

A = (1/4)64π = 16π   (units squared)

Asap


Jordan is a sixth-grade student. He created one data set by recording the ages of all the students in his classes. He created a second data set by recording the ages of all his teachers. Which data set would you expect to have the greater mean absolute deviation? Why?

Answers

Answer:

Second Data Set

Step-by-step explanation:

The mean absolute deviation describes the average distance between each data point. Let's consider both data sets. In data set one, classmate ages are recorded. Because most of Jordan's classmates are close together in age, the amount of deviation is small. In data set two, teach ages are recorded. Because teacher's ages can range from 23-99, the deviation in this set is expected to be larger than set one.

An elephant’s weight starts at 25 kilograms
and increases 5 kilograms per month. This
situation can be represented by y = 25 + 5x.
What happens if the slope is decreased to 3?

PLS DON'T PUT LINKS AND WRITE ANSWER, THX! I WILL MARK BRAINLIEST IF YOU WRITE THE ANSWER!

Answers

Answer:

it means teh elephant grows 3 kilograms per month instead

Step-by-step explanation:

Answer:

Instead of growing 5 Kilograms the elephant will now only grow 3 kilograms each month

A bus rental company charges $60 for booking a bus and $120 for each hour the bus is rented. A tour group pays $780 to rent a bus.
Select the equation that represents the given situation and find the number of hours the tour group rented the bus.
A. 60x + 120 = 780; 11 hours

B.120x + 60 = 780; 6 hours

C.120x + 60 = 780; 11 hours

D.60x + 120 = 780; 6 hours

Answers

Answer:

B

Step-by-step explanation:

Its really pretty easy.

Answer: b

Step-by-step explanation:

Andre surveyed a random sample of 20 students and

found that 13 of them were in favor of having school

start one hour later. The school has 250 students. Make

an estimate, based on Andre's survey for the number of

students in the school who are in favor of having school

start one hour later.

O 65 students

O 87 students

163 students

170 students

Answers

Answer: 163 students

Step-by-step explanation:

First find the percentage of students who were in favor of having school  start one hour later based on the sample of 20 students.

= 13/20 * 100%

= 65%

The apply this percentage to the total number of students in school to find your answer:

= 65% * 250 students

= 162.5

= 163 students

The number of students in the school who are in favor of having school start one hour later is; C: 163 students

What is the random sample?

We are told that 13 out of the 20 surveyed students were in favour of having school start one hour later. Thus;

Probability = 13/20 * 100% = 65%

Now, the school has 250 students and as such, the number of students in the school who are in favor of having school start one hour later is;

65% * 250 students = 162.5 ≈ 163 students

Read more about Random Sample at; https://brainly.com/question/14470673

Carlos and his family left for the amsuement park at 8:35
a.M. The trip took 1 hour and 55 minutes. What time did they arrive

Answers

They arrived at 10:30. Just add 8:35 and 1:55

Michael purchased a chocolate swirl yogurt in a waffle cone. The yogurt cost $1.25 and the waffle cone was 50¢. He gave the clerk 8 quarters. How much did she give back to Michael?

Answers

Answer:

Michael should get $0.25 from the clerk.  

Step-by-step explanation:

Add $1.25+$0.50 together which equals $1.75 and multiply $0.25x8 which equals $2.00 and subtract $1.75 from $2.00 and that equals $0.25.

Answer:

.25 = 1 quarter

Step-by-step explanation:

8 x .25 = $2.00

1.25 + .50 = $1.75

2.00 - 1.75 = .25

NO BOTS PLEASE!!!! Write an equation and solve: what fraction of 4 is 3?

Answers

Answer:

0.75 or 3/4

Step-by-step explanation:

You want to get the number 3, by taking a fraction of 4.

Divide 3 by 4 to get the fraction

Add Each pair of expressions
(4x-7) and (7-4x)
Answer ASAP

Answers

Answer:

0

Step-by-step explanation:

(4x-7)+(7-4x)

cancels each other

which makes it zero

Required Answer:

Given pair of expression :

[tex] \longrightarrow \sf {(4x -7) \: and \: (7-4x) } [/tex]

Solution :

Firstly put the sign of addition (+) at the place of and.

[tex] \longrightarrow \sf {(4x -7) + (7-4x) } [/tex]

Now, remove the brackets.

[tex] \longrightarrow \sf {4x -7 + 7-4x } [/tex]

Group like terms. Here, 4x and -4x ; -7 and +7 are like terms.

[tex] \longrightarrow \sf {\cancel{4x -4x} \cancel{ -7 + 7}} [/tex]

[tex] \implies \sf \red {0 } [/tex]

So, the answer is 0.

Help me plsssss I have more but this one first

Answers

Answer:

[tex]1205.76 \: \: {units}^{3} [/tex]

Step-by-step explanation:

[tex]v = \pi {r}^{2} h \\ = 3.14 \times {8}^{2} \times 6 \\ = 3.14 \times 64 \times 6 \\ = 1205.76 \: \: {units}^{3} [/tex]

Hope this helps you

Can I have the brainliest please?

Answer:

below is te answer

Step-by-step explanation:

1205.76 is the answer i took this test last year i still had the paper

PLEASE HELP ME....I AM LITERALLY PANICKING
During a quiz, Hannah scored 72 points. Her friend, Mary, scored 1/4 of what Hannah got. What is Mary's points?

68
16
76
18

Answers

Answer:

18 is the answer

Step-by-step explanation:

Find the missing side of the angle.
Need help,==== thank you!!

Answers

Answer:x=square root(239)

Step-by-step explanation:

The way to solve this is via the Pythagorean theorem(a^2 + b^2 = c^2)

a= a leg

b= another leg

c= hypotenuse

16^2 = square root(17)^2 + x^2

256 = 17+ x^2

239 = x^2

x=square root(239)

PLEASE HELP ME I WILL BRAINLIST YOU ​

Answers

Answer:

90 m^2

Step-by-step explanation:

Lateral Area = perimeter of base * height

= (3m+8m+7m) * 5m

= 90 m^2

Like if this helped

HEYYYY COULD SOME ONE HELP ME PLEASE !!! :)

Answers

Answer:

4²+b² = 5²

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem to find the length of the missing side.

The Pythagorean theorem states that the sum of the squares of the legs of a right triangle is equal to the square of the hypotenuse.  Algebraically, this is represented as

a²+b² = c²

We have the measure of one leg, 4 in.  We also have the measure of the hypotenuse, 5 in.  This gives us

4²+b² = 5²

I hope this helps <3

HELPPPP PLEASEEEEE!!!!! Two names for the angle formed by the dashed rays are

Answers

Answer:

<DHM and <DHR

Step-by-step explanation:

<DHM and <DHR are the angles formed by the dashed rays

−7 3/4+3 1/2 I really need help I'm in 7th grade

Answers

Hi! To easily figure out something like this, you need to make the equations have the same denominator (or bottom number) so in this one, you’re going to have it pretty easy because 1/2 translates to 2/4. Once that’s done you can look at it a little easier. However the answer for this one is going to be -3 1/4 I believe.

PLS HELP ASAP!!!! WILL GIVE BRAINLIEST

Answers

Answer:

15.7 BRAINIEST PLS

Step-by-step explanation:

Using the hypotenuse formula to calcultate the unknown sides

we get

8.6

7.1

5

add them up and we have 15.7

Answer:

15.7

Step-by-step explanation:

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