Answer Happy

You may need to use the appropriate appendix table or technology to answer this question. Fewer young people are driving. In year A, 62.9% of people under 20 years old who were eligible had a driver's license. Twenty years later in year 8 that percentage had dropped to 42.7%, Suppose these results are based on a random sample of 1,400 people under 20 years old who were eligible to have a driver's license in year A and again in year B. (a) At 95% confidence, what is the margin of error of the number of eligible people under 20 years old who had a driver's license in year A? (Round your answer to four decimal places) 0253 At 95% confidence, what is the interval estimate of the number of eligible people under 20 years old who had a driver's license in year AT (Round your answers to four decimal places.) X to 6541 6040 (b) At 95% confidence, what is the margin of error of the number of eligible people under 20 years old who had a driver's license in year 87 (Round your answer to four decimal places.) 0000 x At 95% confidence, what is the interval estimate of the number of eligible people under 20 years old who had a driver's license in year 87 (Round your answers to four decimal places) to