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Mathematics, 27.11.2019 23:31 OceanClaws

Fewer young people are driving. in 1983, 87 percent of 19 year-olds had a driver's license. twenty-five years later that percentage had dropped to 75 percent (university of michigan transportation research institute website, april 7, 2012). suppose these results are based on a random sample of 1200 nineteen year-olds in 1983 and again in 2008.a. at 95% confidence, what is the margin of error and the interval estimate of the number of nineteen year old drivers in 1983? round your answers to three decimal places. margin of error = (four decimal places)interval estimate = tob. at 95% confidence, what tis the margin of error and the interval estimate of the number of nineteen year old drivers in 2008? round your answers to four decimal places. margin of error =interval estimate = toc. is the margin of error the same in parts (a) and ( select your answer -yeswhy, or why not?

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