For Questions use the following narrative
Narrative: Men's heights
Suppose the mean height for adult males in the U.S.is about 70 inches and the standard deviation is about 3 inches.Assume men's heights follow a normal curve.
-{Men's heights narrative} Using the Empirical Rule, 95% of adult males should fall into what height range?
A)They should be between 64 and 76 inches tall.
B)They should be close to the height that is 95% of the mean.That is, 66.5 inches, plus or minus 2 standard deviations.
C)They should be at or below the 95th percentile, which is 74.92 inches.
D)None of the above.

Question

Quizplus · Accepted Answer

According to the Empirical Rule, 95% of data in a normal distribution falls within two standard deviations of the mean. For men's heights, this range is 70 inches ± 2(3 inches), which is 64 to 76 inches.

For Questions Use the Following Narrative