B E . 1 For all problems, show detailed processes taken to reach answers. No credits will be given without the detailed processes 2 Clearly label the question (a, b, c. etc.) and highlight final answer. Do not use a different worksheet The average annual premium for automobile insurance in the United States is $2853. The annual premiums ($) listed on this worksheet are representative of the web site's findings for the state of Michigan. Assume the population is approximately normal. a. Develop a 95% cortfidence interval for the mean annual automobile insurance premium in Michigan. b. What percentage of annual premium is less than or equal to $2400? Develop a 95% confidence interval 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Annual Premium 1905 2725 2677 2600 2962 2184 2332 3112 2545 2525 2370 2545 2529 2442 2312 2981 2627 2857 2675 2115 B E . 1 For all problems, show detailed processes taken to reach answers. No credits will be given without the detailed processes 2 Clearly label the question (a, b, c. etc.) and highlight final answer. Do not use a different worksheet The average annual premium for automobile insurance in the United States is $2853. The annual premiums ($) listed on this worksheet are representative of the web site's findings for the state of Michigan. Assume the population is approximately normal. a. Develop a 95% cortfidence interval for the mean annual automobile insurance premium in Michigan. b. What percentage of annual premium is less than or equal to $2400? Develop a 95% confidence interval 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Annual Premium 1905 2725 2677 2600 2962 2184 2332 3112 2545 2525 2370 2545 2529 2442 2312 2981 2627 2857 2675 2115