Question: assume all date is bell shaped please show all work for this problem 2. Someone wants to know the mean weight of all garbage discarded

assume all date is bell shaped please show all work for this problem

2. Someone wants to know the mean weight of all garbage discarded in a city in a week. A random sample of n = 12 households was selected and the garbage weighed. The results follow 10.8 27.9 33.3 33.1 37.6 23.1 27.6 21.8 44.5 44.4 17.2 31.0 Find: a) The best point estimate of the mean weight of all garbage discarded in the city. b) A 90 % confidence interval estimate for the mean weight of all garbage discarded in the city. Answer this question numerically and also state the answer in a sentence. c) in part b, what is the margin of error of the estimate. d) What is the probability that the answer to part b is wrong? (Assuming your answer to part b was calculated correctly.)

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