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Anuta_ua [19.1K]
3 years ago
7

A food safety guideline is that the mercury in fish should be below 1 part per million​ (ppm). Listed below are the amounts of m

ercury​ (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 95​% confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much mercury in tuna​ sushi?
Social Studies
1 answer:
ohaa [14]3 years ago
5 0

Answer: 0.375, 1.123 units ppm

Explanation:

n=7 sample size

The mean is 5.24/7=0.749

sd=0.404

CI percentage 95%,

T= 0.975,df=6 is 2.447

TxS/sqrt(n)=2.447*0.404/sqrt(7)=0.374

95%CI = (0.375, 1.123) units ppm

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