SOLUTION: Need help with this one! The height of adult males is normally distributed with mean of 69.0 inches and a standard deviation of 2.8 inches. Find the probability that an adult ma

Algebra ->  Probability-and-statistics -> SOLUTION: Need help with this one! The height of adult males is normally distributed with mean of 69.0 inches and a standard deviation of 2.8 inches. Find the probability that an adult ma      Log On


   

Question 388232: Need help with this one!
The height of adult males is normally distributed with mean of 69.0 inches and a standard deviation of 2.8 inches. Find the probability that an adult male is between 64inches and 75 inches tall.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the z score.
z=%28x-mu%29%2Fsigma
z%5B1%5D=%2864-69%29%2F2.8
z%5B2%5D=%2875-69%29%2F2.8
Then,
P%2864%3Cx%3C75%29=P%28z%5B2%5D%29-P%28z%5B1%5D%29