Watch your cholesterol: The mean serum cholesterol level for

Last updated: 7/17/2022

Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 197, with a standard deviation of 38 (the units are milligrams per deciliter). A simple random sample of 105 adults is chosen. Use Cumulative Normal Distribution Table if needed. Round the answers to at least four decimal places. (a) What is the probability that the sample mean cholesterol level is greater than 206? The probability that the sample mean cholesterol level is greater than 206 is