Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 198, with a standard deviation of 39.3 [the units are E milliglams per deciliter). A simple Iandom sample of 106 adults is chosen. Use the 11-84 calculator. Round the answers to four decimal places. \"that is the probability that the sample mean cholesterol level is greater than 205? The probability that the sample mean cholesterol level is greater than 205 is D. \"that is the probability that the sample mean cholesterol level is between 186 and 192? The probability that the sample mean cholesberol level is between 186 and 192 is D. Would it be unusual for the sample mean to be less than 194? (Choose one) 1 be unusual for the sample mean to be less than 194, since the probability is B. would not mm