Chapter 8 A X Chapter 8 A X MindTap - C X Excel Online X Excel Online X Excel Online X Excel Online X Excel Online X MindTap - C X Course Her X + C https:/g.cengage.com/staticb/ui/evo/index.html? deploymentld=5935112189509097482354739820&elSBN=9780357110614&id=1567504466&snaps... Khoi v CENGAGE | MINDTAP Q Search this course ? Chapter 8 Assignment X My Home Questions Exercise 08.41 Question 9 of 11 Courses 7. Check My Work 8. Catalog and Study Tools 9 O A-7 eBook Rental Options 10 O Fewer young people are driving. In 1983, 87%% of 19-year-olds had a driver's license. Twenty-five years later that percentage had dropped to 75% (University of 11. O College Success Tips Michigan Transportation Research Institute website, April 7, 2012). Suppose these results are based on a random sample of 1200 19-year-olds in 1983 and again in 2008. Career Success Tips a. At 95% confidence, what is the margin of error and the interval estimate of the number of 19-year-old drivers in 1983? Round your intermediate answers to four decimal places. RECOMMENDED FOR YOU Margin of error = (four decimal places) Interval estimate (to four decimal places) = to b. At 95% confidence, what is the margin of error and the interval estimate of the number of 19-year-old drivers in 2008? Round your answers to four decimal places. Margin of error = bongo Contemplating Your Funding Interval estimate = Options c. Is the margin of error the same in parts (a) and (b)? - Select your answer - v ? Help Why, or why not? The input in the box below will not be graded, but may be reviewed and considered by your instructor. Give Feedback A+ O Check My Work Icon Key