Mathematics, 06.05.2020 22:19 iliketurtures
The heights of all the 11-year-old boys in the United States are normally distributed with a mean of 57 inches and a standard deviation of 2.5 inches. What's the probability that a boy chosen at random from that age group will have a height less than 64.5 inches?
A. 97.72%
B. 99.87%
C. 49.87%
D. 0.13%
Answers: 3
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