Afood safety guideline is that the mercury in fish should be below 1 part per million (ppm) Listed below are the amounts of mercury (ppm) fount_j in tuna sushi sampI.ed at different the population. Does it appear that there is too much mercury in tuna sushi? stores in a major city. Construct a 99% confidence interval estimate of the mean amount of mercury in 056 0.77 010 086 129 050 095 What is the confidence interval estimate of the population mean p? @ppm