Fewer young people are driving. In 1995, 63.9% of people under 20 years old who were eligible had a driver's license. Bloomberg reported that percentage had dropped to 41.7% in 2016. Suppose these results are based on a random sample of 1,200 people under 20 years old who were eligible to have a driver's license in 1995 and again in 2016. a. At 95% confidence, what is the margin of error and the interval estimate of the number of eligible people under 20 years old who had a driver's license in 1995? Margin of error = Interval estimate = to (to four decimal places) b. At 95% confidence, what is the margin of error and the interval estimate of the number of eligible people under 20 years old who had a driver's license in 2016? (to four decimal places) Select your answer - Margin of error = Interval estimate= c. Is the margin of error the same in parts (a) and (b)? - Select your answer - Why, or why not? (to four decimal places) to (to four decimal places)
Fewer young people are driving. In 1995, 63.9% of people under 20 years old who were eligible had a driver's license. Bloomberg reported that percentage had dropped to 41.7% in 2016. Suppose these results are based on a random sample of 1,200 people under 20 years old who were eligible to have a driver's license in 1995 and again in 2016. a. At 95% confidence, what is the margin of error and the interval estimate of the number of eligible people under 20 years old who had a driver's license in 1995? Margin of error = Interval estimate = to (to four decimal places) b. At 95% confidence, what is the margin of error and the interval estimate of the number of eligible people under 20 years old who had a driver's license in 2016? (to four decimal places) Select your answer - Margin of error = Interval estimate= c. Is the margin of error the same in parts (a) and (b)? - Select your answer - Why, or why not? (to four decimal places) to (to four decimal places)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![Exercise 08.41 (Population Proportion)
Fewer young people are driving. In 1995, 63.9% of people under 20 years old who were eligible had a driver's license. Bloomberg reported that percentage had
dropped to 41.7% in 2016. Suppose these results are based on a random sample of 1,200 people under 20 years old who were eligible to have a driver's license
in 1995 and again in 2016.
(to four decimal places)
a. At 95% confidence, what is the margin of error and the interval estimate of the number of eligible people under 20 years old who had a driver's license in
1995?
to
Margin of error =
Interval estimate =
(to four decimal places)
b. At 95% confidence, what is the margin of error and the interval estimate of the number of eligible people under 20 years old who had a driver's license in
2016?
Margin of error =
Interval estimate =
(to four decimal places)
◄ Question 9 of 11 ►
to
Hint(s) Check My Work
(to four decimal places)
c. Is the margin of error the same in parts (a) and (b)?
- Select your answer - V
Why, or why not?
- Select your answer -](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff752b348-e74c-4674-b8f4-e1fbecb87f5d%2F0348f7e6-28e1-4a95-9236-c994771484d8%2F4h7fr2n_processed.png&w=3840&q=75)
Transcribed Image Text:Exercise 08.41 (Population Proportion)
Fewer young people are driving. In 1995, 63.9% of people under 20 years old who were eligible had a driver's license. Bloomberg reported that percentage had
dropped to 41.7% in 2016. Suppose these results are based on a random sample of 1,200 people under 20 years old who were eligible to have a driver's license
in 1995 and again in 2016.
(to four decimal places)
a. At 95% confidence, what is the margin of error and the interval estimate of the number of eligible people under 20 years old who had a driver's license in
1995?
to
Margin of error =
Interval estimate =
(to four decimal places)
b. At 95% confidence, what is the margin of error and the interval estimate of the number of eligible people under 20 years old who had a driver's license in
2016?
Margin of error =
Interval estimate =
(to four decimal places)
◄ Question 9 of 11 ►
to
Hint(s) Check My Work
(to four decimal places)
c. Is the margin of error the same in parts (a) and (b)?
- Select your answer - V
Why, or why not?
- Select your answer -
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