Question: 1. Mensa is an organization of people who have high IQs. To be eligible for membership, a person must have an IQ "higher than 98 percent of the population." What IQ is required to qualify?
2. The mean height of American women aged 20-29 is 64.2 inches, with a standard deviation of 2.5 inches (Statistical Abstract of the United States: 2009, 2008).
a. What height divides the tallest 5 percent of the population from the rest?
b. The minimum height required for women to join the U.S. Army is 58 inches. What proportion of the population is excluded?