A cheese processing company wants to estimate the mean cholesterol content of allone-ounce servings of cheese. The estimate must be within 0.5...

A cheese processing company wants to estimate the mean cholesterol content of allone-ounce servings of cheese. The estimate must be within 0.5 milligrams of the population mean.a)Determine the minimum required sample size to construct a 95% confidence interval for the population mean. Assume the population standard deviation is 2.8 milligramsb) Repeat part A using a 99% confidence intervalc) Which level of confidence requires a larger sample size? Explain