Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 198, with a standard deviation of 39.3 (the units are milligramis per declitar). A simple random sample of 106 adults is...

Extracted text: Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 198, with a standard deviation of 39.3 (the units are milligramis per declitar). A simple random sample of 106 adults is chosen. Use O Cumulative Normal Distribution Table if needed. Round the answers to at least four decimal places,


Extracted text: (c) Would it be unusual for the sample mean to be less than 194? It (Choose one) vbe unusual for the sample mean to be less than 194, since the probability is would not would