Question: A random sample of 70 observations from a normally distributed population produced a mean of x=26.2x=26.2 and a standard deviation of s=4.1s=4.1. Find an approximate

A random sample of 70 observations from a normally distributed population produced a mean of x=26.2x=26.2 and a standard deviation of s=4.1s=4.1. Find an approximate 99% confidence interval for the population mean, .

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