Afood safety guideline is that the mercury in sh 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 99% condence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much mercury in tuna sushi? 0.56 0.82 0.11 0.94 1.31 0.52 0.86 D What is the condence interval estimate of the population mean u? ppm