Answer:
.6
Step-by-step explanation:
Using Bayes' theorem
While s = smoker
n = nonsmoker
D = died
P(s) = .13
P(n) =.87
P(D/s) =0.02
P(D/n) =0.002
P(s/D) = ??
[tex]P(s/D)=\frac{P(s)*P(D/s)}{P(s)*P(D/s)+P(n) *P(D/n)} =\frac{.13*.02}{.13*.02+.87*.002}=.6[/tex]
The number of points scored by the girls basketball team in their last ten games are listed below. Which measure of center best describes the data? 38, 42, 45, 39, 48, 46, 39, 42, 45, 72
Answer:
median i think
Step-by-step explanation:
Assume that two chords in a given circle are the same distance from the
center of the circle. Which of the following must also be true?
o
A. They must be diameters.
B. They must be parallel.
C. They must be congruent.
D. They must be perpendicular.
SNBMIT
The true statement the same distance from the center of the circle is they must be perpendicular.
We have given that,
Two chords in a given circle are the same distance from the center of the circle.
What is the condition for two chords to be congruent?If the two chords are congruent, then they must be equidistant from the center of the circle.
A is rejected because the chord might not pass through the center of the circle.
B is rejected because the chords are not obligated to be parallel.
C is rejected because it is not compulsory for the chords to be perpendicular.
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Answer: C. They must be congruent.
Step-by-step explanation:
b. Solve for x in the
triangle:
74°
6x + 17
35
Step-by-step explanation:
74° + 35° + ( 6x + 17° ) = 180°6x + 17° = 180° - 74°- 35°6x + 17° = 180° - 109°6x + 17° = 71°6x = 71° - 17°6x = 54x = 54÷6x = 9MARK ME AS BRAINLIST PLZ FOLLOW METriangles
Given :-A diagram with angles 74°, 35° and ( 6x + 17 )°.
To Find :-Value of x.
Concept Used :-Sum of all angles in a triangle is 180°.
Solution :-Sum of all angles in a triangle = 180°
74° + 35° + 6x + 17° = 180°
6x + 74° + 35° + 17° = 180°
6x + 126° = 180°
6x = 180° - 126°
6x = 54°
x = 9
Answer :-So, value of x is 9.
please tell fast plzzzzzz
Answer:
45
Step-by-step explanation:
1/2×90
45
complement=
90-45
45
las alturas medidas en centimetros de 15 niños de una primaria fueron las siguientes 145,135,150,144,137,152,139,146,140,149,148,135,143,151,135¿cual es el promedio,mediana y moda?
Answer:
145
Step-by-step explanation:
145 135 123 134 456 teukr68l67ewi6e5iu
Pls help I’ll brain-lest ASAP
P = 2( L + W )
-divide both sides by 2
P/2 = L + W
-subtract L from both sides
P/2 - L = W
or
(P - L) / 2 = W
The distance from Amy's house to Lake Ontario is 150 miles. On a map, it is 3 inches.
What is the scale used?
Answer:
50
Step-by-step explanation:
150 divided by 3 = 50
3x x 2 + 5x - 1 fdhyshber
Answer:
11x - 1
Step-by-step explanation:
Just simplify the terms!
3x * 2 + 5x - 1
6x + 5x - 1 (We multiply 3x * 2 to get 6x)
11x - 1 (Then after that, all you have to do is add 6x and 5x together. We can't simplify further since we don't know what x is)
Answer:
How to solve your question
3xx^{2}+5x-1
3xx2+5x−1
Simplify
1
Combine exponents
3 2 + 5 − 1 3 3 + 5 − 1
Solution
3 3 + 5 − 1
Step-by-step explanation:
Solve this systems of equations
{y = 3x}
{x + y = 52}
WILL MARK BRAINLEST!!
Answer:
x = 13
Step-by-step explanation:
x + y = 52
x + 3x =52
4x =52
x =52/4
x = 13
Hope this helps
Pls tell if any mistakes
Step-by-step explanation:
given
y=3x
x+y=52
now
x+y=52
x+3x=52
4x=52
x=52/4
x=13
therefore y=3*13=39
There are six checkout tills at a small supermarket. Two of the tills have comfy seats. What is the probability an employee will get a till with a comfy seat?
Give your answer as a fraction
Answer:
mhyjdhttugjfiydjydjy
Answer:
egrhvvfgwgetfj sgtuykyhdfv.
Step-by-step explanation:
sgdhfbf gbdvdvfdfvfvtv mgbjsg gfvthr
A flower bed has the shape of a rectangle 8 yards long and 3 yards wide. What is its area in square feet?
Answer:
the answer is 216 square feet because if you multiply 8 ×3=24 and 24×9=216.
Can someone explain how to do this
Answer:
20%
Step-by-step explanation:
im not really good at percentages but from what i know you first make it a fraction by adding all the numbers together to get 55(denominator). then for the numerator you take the section that they want(11). 11/55 is equal to 20/100(divide 100 by 55 and multiply the quotient by 11 to get 20). 20/100 is 20%. hope this kinda helps.
In March of 2018, a survey asked 801 US adults whether they had at least one subscription to a video-streaming service. Of the 801 participants in the survey, 457 indicated they subscribed to at least one video-streaming service. What is the correct 95 percent confidence interval for the proportion of all US adults who would say they subscribe to a video-streaming service?
Answer:
The 95% confidence interval for the proportion of all US adults who would say they subscribe to a video-streaming service is (0.5362, 0.6048).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of [tex]\pi[/tex], and a confidence level of [tex]1-\alpha[/tex], we have the following confidence interval of proportions.
[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]
In which
z is the zscore that has a pvalue of [tex]1 - \frac{\alpha}{2}[/tex].
Of the 801 participants in the survey, 457 indicated they subscribed to at least one video-streaming service.
This means that [tex]n = 801, \pi = \frac{457}{801} = 0.5705[/tex]
95% confidence level
So [tex]\alpha = 0.05[/tex], z is the value of Z that has a pvalue of [tex]1 - \frac{0.05}{2} = 0.975[/tex], so [tex]Z = 1.96[/tex].
The lower limit of this interval is:
[tex]\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5705 - 1.96\sqrt{\frac{0.5705*0.4295}{801}} = 0.5362[/tex]
The upper limit of this interval is:
[tex]\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5705 + 1.96\sqrt{\frac{0.5705*0.4295}{801}} = 0.6048[/tex]
The 95% confidence interval for the proportion of all US adults who would say they subscribe to a video-streaming service is (0.5362, 0.6048).
According to an AP-Ipsos poll (June 15, 2005), 42% of 1001 randomly selected adult Americans made plans in May 2005 based on a weather report that turned out to be wrong.
a. Construct and interpret a 99% confidence interval for the proportion of Americans who made plans in May 2005 based on an incorrect weather report.
b. Do you think it is reasonable to generalize this estimate to other months of the year
Answer:
a) The 99% confidence interval for the proportion of Americans who made plans in May 2005 based on an incorrect weather report is (0.3798,0.4602). This means that we are 99% sure that the true population proportion is in this interval.
b) No, since May is a month with a wide range of possible weather.
Step-by-step explanation:
a)
In a sample with a number n of people surveyed with a probability of a success of [tex]\pi[/tex], and a confidence level of [tex]1-\alpha[/tex], we have the following confidence interval of proportions.
[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]
In which
z is the zscore that has a pvalue of [tex]1 - \frac{\alpha}{2}[/tex].
42% of 1001 randomly selected adult Americans made plans in May 2005 based on a weather report that turned out to be wrong.
This means that [tex]p = 0.42, n = 1001[/tex]
99% confidence level
So [tex]\alpha = 0.01[/tex], z is the value of Z that has a pvalue of [tex]1 - \frac{0.01}{2} = 0.995[/tex], so [tex]Z = 2.575[/tex].
The lower limit of this interval is:
[tex]\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.42 - 2.575\sqrt{\frac{0.42*0.58}{1001}} = 0.3798[/tex]
The upper limit of this interval is:
[tex]\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.42 + 2.575\sqrt{\frac{0.42*0.58}{1001}} = 0.4602[/tex]
The 99% confidence interval for the proportion of Americans who made plans in May 2005 based on an incorrect weather report is (0.3798,0.4602). This means that we are 99% sure that the true population proportion is in this interval.
b. Do you think it is reasonable to generalize this estimate to other months of the year
No, since May is a month with a vast number of possible outcomes, as it is in the spring, not being in the winter(cold) or summer(hot), which means that it can be both hot or cold, wet or dry,...
How many 1/2 cup servings are in 6 cups of grapes?
Answer:
There are 12
Step-by-step explanation:
hope this helps.
Select the phrase that best completes the sentence.
-2x + 3 - x = 3x - 15
The equation has:
No solution
One solution x=3
One solution x=-3
Infinity many solutions
Answer:
No solution
Step-by-step explanation:
Si un vendedor gana $ 450 por cada venta de $ 50 000, ¿cuál es su tasa de comisión?
Answer:
..?.?..............???............
HELPP PLEASE W A MATH PROBKEN If x is 6, what is:
X +4
Answer:
10
Step-by-step explanation:
x=6, so 6+4=10
Answer:
10
Step-by-step explanation:
so if x is 6 then it would be 6+4=10
Kalansız bir bölme işleminde bölünen ile bölenin farkı 385 bölüm 12 olduğuna göre bölünen kaçtır
Step-by-step explanation:
bence 32 Kalansız bölme işleminde ama yinede sen bilirsin iyi akşamlar
Which expression shows the sum of 8 and a number f
Answer:
8+f
Step-by-step explanation:
The SUM of 8 and f
Pls tell me if Im wrong
Hope this helps
Karen is planting a tree. She wants to use two guy wires to stabilize the tree. If Karen places the guy wires 8 feet up the trunk and 7 feet from the base, how much total wire will she need for both guy wires? Round your answer to the nearest tenth.
Answer:
20 ft
Step-by-step explanation:
Simplify. Identify any x value for which the expression is undefined x^2+3x/x^3
Answer:
x = 0
Step-by-step explanation:
I think you mean
[tex] \dfrac{x^2 + 3x}{x^3} [/tex]
The only undefined values of x come from the denominator, x^3.
A denominator cannot equal zero since division by zero is undefined.
Therefore if x^3 equals zero, you get an un defined expression.
We let x^3 = 0 and solve for x to find the values of x that would cause an undefined expression.
x^3 = 0
Solve for x by taking the cubic root of both sides.
x = 0
Answer: x = 0
Solve the system below"
W
y = - 3x + 17
y = -x + 3
O (7.4)
O (-7,-4)
O (7.-4)
Answer:
I think its (7,-4)
Step-by-step explanation:
solve x:
plug in y
-x+3=-3x+17
solve
x=7
solve y:
plug in what you got for x
y=-3(7)+17
solve
y=-4
Line A is parallel to Line B
9. In the diagram, what is the value of x?
A. 78°
B. 108°
C. 98°
D. 82
Answer:
D or A
Step-by-step explanation:
A bag contains 5 apples and 3 oranges. If you select 2 pieces of fruit without looking, how many ways can you get 2 apples?
Answer:
you can feel a stem
Step-by-step explanation:
im sorry i dont know
A student wrote and simplified an expression to find the perimeter of this 5 points
rectangular garden. The student made an error. Which step did the
student make the mistake? *
2x
5x + 1
Step 1: 5x + 1 + 5x + 1 + 2x + 2x
Step 2: 14x + 1 + 1
Step 3: 14x + 2
Step 4: 16x
Answer:
Step 4.
You can’t add 14x and 2
There are 5 more than twice as many students taking Algebra 1 than taking Algebra 2. If there are 44 students taking Algebra 2,
what is the least number of students who could be taking Algebra 1? The least number of students is (pe numbers only)
Help asap
Answer: 54
Step-by-step explanation:
The regular price of an item at a store is $2,000. If the sale price is $1,120, what percent is the discount?
Answer:
$3,120
Step-by-step explanation:
$2,000
+$1,120
---------------
$3,120
Hence, the percent is the discount is $ [tex]3120[/tex].
What is the percentage?
A percentage is a number or ratio expressed as a fraction of [tex]100[/tex]. It is often denoted using the percent sign, "%".
Here given that,
The regular price of an item at a store is $[tex]2,000[/tex]. If the sale price is $[tex]1,120[/tex].
So,
[tex]2,000+1120=3120[/tex] $
Hence, the percent is the discount is $ [tex]3120[/tex].
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what is the multiplicative inverse of 19/3
Answer:
3/19
Step-by-step explanation: So basically you are asking for the reciprocal and the reciprocal of 19/3 is 3/19. You just basically flip the fraction around.
Mia read x pages in the book. Laurie read 1/3 more than that
Step-by-step explanation:
Laurie read x+1/3 pages.
Mia read x pages.
