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 99% confidence interval estimate of the mean amount of mercury in the population.

0.58

0.73

0.10

0.88

1.26

0.53

0.91

What is the confidence interval estimate of the population mean

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ppm

(Round to three decimal places asneeded.)