I have already solved this, I just want to compare each of my answers with yours. Please tell me what you got for each part of the problem below.

A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed below are the amounts of mercury (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 95% confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much mercury in tuna sushi? 0.52 0.74 0.11 0.96 1.28 0.53 0.87 What is the confidence interval estimate of the population mean ? ppm