Question: please show all work for this problem 5. A random sample of n = 250 credit card holders shows that their mean annual credit card

please show all work for this problem

5. A random sample of n = 250 credit card holders shows that their mean annual credit card debt is $1592 with a standard deviation of $997. Find a) The best point estimate of the mean credit card debt for ALL holders. b) A 95% confidence interval estimate for the mean credit card debt of ALL holders. 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 in part b) is wrong? Assuming that part b) was calculated correctly

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