Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 195, with a standard deviation of 34 (the units are milligrams per deciliter). A simple random sample of 103 adults is chosen. Use the TI-84 calculator. Round the answers to four decimal places. Part 1 of 3 What is the probability that the sample mean cholesterol level is greater than 200? The probability that the sample mean cholesterol level is greater than 200 is X 5 Part 2 of 3 What is the probability that the sample mean cholesterol level is between 188 and 192 ? The probability that the sample mean cholesterol level is between 188 and 192 is X 5 Part 3 of 3 Would it be unusual for the sample mean to be less than 190? It (Choose one) v be unusual for the sample mean to be less than 190, since the probability is X 5