Mathematics, 31.01.2021 01:00 cardonaalfredo

A simple random sample of the weight of 40 women has a mean of 146.22 lb. Research from other sources suggests that the population standard deviation of weight of women is 30.86 1b.
Find a 95% confidence interval estimate of the mean weight of all women.

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A simple random sample of the weight of 40 women has a mean of 146.22 lb. Research from other sourc...

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A simple random sample of the weight of 40 women has a mean of 146.22 lb. Research from other sources suggests that the population standard deviation of weight of women is 30.86 1b. Find a 95% confidence interval estimate of the mean weight of all women.

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Another question on Mathematics

A simple random sample of the weight of 40 women has a mean of 146.22 lb. Research from other sources suggests that the population standard deviation of weight of women is 30.86 1b.
Find a 95% confidence interval estimate of the mean weight of all women.