Homework SourseThe distribution of heights of adult American men is approxi
The distribution of heights of adult American men is approximately normal with mean 69 inches and standard deviation 2.5 inches.
1) What percent of adult American men are at most 67 inches tall?
2) What percent of adult American men are between 70 inches tall and 74 inches tall?
3) What percent of adult American men are more than 68 inches tall?
4) How tall would an American man be if they are in the 80th percentile? Interpret this value in context.
5) What is the percentile ranking of an American male that is 72 inches tall?
Solution
1) x> 67 Z> -0.8 0.7881 2)70
