The distribution of heights of adult men is approximately

Last updated: 7/8/2022

The distribution of heights of adult men is approximately normal with a mean of 69 inches and a standard deviation of 2 inches. Bob's height has a Z-score of -0.5 when compared to all adult men. Which of the following is true? Bob is shorter than 69 inches tall. Bob's height is half of a standard deviation below the mean. Bob is 68 inches tall. All of the above.