A food safety guideline is that the mercury in fish should be below 1 part per million (ppm) . Listed are the amounts of mercury (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 99% confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is to much mercury in tuna sushi ? 0.52 0.76 0.10 0.98 1.37 0.50 0.85 What is the confidence interval estimate of the population mean u? _______ ppm < u < ________ppm