SOLUTION: Assume that the population of heights of male college students is approximately normally distributed with a mean µ of 73.16 inches and standard deviation of ό of 6.39 inches.

Algebra ->  Probability-and-statistics -> SOLUTION: Assume that the population of heights of male college students is approximately normally distributed with a mean µ of 73.16 inches and standard deviation of ό of 6.39 inches.       Log On


   

Question 662168: Assume that the population of heights of male college students is approximately normally distributed with a mean µ of 73.16 inches and standard deviation of ό of 6.39 inches. A random sample of 70 heights is obtained. Show all work.
(A) Find the mean and standard error of the x-bar distribution.
(B) Find P (x-bar – 74.50).
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

µ = 73.16 inches and  σ = 6.39 

A random sample of 70 heights is obtained...

 m = 73.16in  and s = 6.39%2Fsqrt%2870%29

 P(x = 74.5) = P%28z=%2874.50-73.16%29%2F%286.39%2Fsqrt%2870%29%29%29