Question: A simple random sample of 50 items from a population with a standard deviation equal to 6, resulted in a sample mean of 32. Show

A simple random sample of 50 items from a population with a standard deviation equal to 6, resulted in a sample mean of 32. Show work for each requirement.

a. Provide a 90% confidence interval for the population mean.

b. Provide a 95% confidence interval for the population mean.

c. Provide a 99% confidence interval for the population mean.

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