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 90% confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much
mercury in tuna sushi?
e Text
0.55 0.32 0.10 0.87 1.35 0.52 0.96
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What is the confidence interval estimate of the population mean?