According to the National Health Survey, the heights of adult males in the United States are (normally distributed with mean) 73 inches, and standard deviation of $2.8$ inches. What is the probability that an adult male chosen at random is between 65 inches and 75 inches tall?
Select the correct answer.
A) $0.5222$
B) $0.7154$
C) $0.6512$
D) $0.5528$
E) $0.7590$
F) $\quad 0.2812$

Question

Quizplus · Accepted Answer

The probability can be found using the standard normal distribution. Convert the heights to z-scores and find the probability between these z-scores. The z-score for 65 inches is $-2.86$ and for 75 inches is $0.71$. The probability between these z-scores is approximately $0.7590$.

According to the National Health Survey, the Heights of Adult 2.82.82.8

According to the National Health Survey, the Heights of Adult $2.8$