Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 202, with a standard deviation of 41.6 (the units are milligrams per deciliter). A simple random sample of 112 adults is chosen. Use the TI-84 calculator. Round the answers to four decimal places. EO Part 1 of 3 What is the probability that the sample mean cholesterol level is greater than 212? The probability that the sample mean cholesterol level is greater than 212 is Part 2 of 3 What is the probability that the sample mean cholesterol level is between 191 and 199? The probability that the sample mean cholesterol level is between 191 and 199 is Part 3 of 3 Would it be unusual for the sample mean to be less than 199? It (Choose one) be unusual for the sample mean to be less than 199, since the X 5