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 - (to four decimal places) Margin of error = Interval estimate = to c. Is the margin of error the same in parts (a) and (b)? - Select your answer - Why, or why not? (to four decimal places)

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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 -
(to four decimal places)
Margin of error =
Interval estimate =
to
c. Is the margin of error the same in parts (a) and (b)?
- Select your answer -
Why, or why not?
(to four decimal places)
Transcribed Image Text: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 - (to four decimal places) Margin of error = Interval estimate = to c. Is the margin of error the same in parts (a) and (b)? - Select your answer - Why, or why not? (to four decimal places)
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