99. Cholesterol Levels. The Centers for Disease Control and Prevention reports that the mean serum cholesterol level in Americans is 202. Assume that the standard deviation is 45. There is no information about the distribution. We take a sample of 36 Americans.
7.1.99
(a) 0.0918 (TI-83/84: 0.0912) (b) 0.8164 (TI-83/84: 0.8176)