SOLUTION: Assume that the population of heights of male college students is approximately normally distributed with mean m of 68 inches and standard deviation s of 3.75 inches. (A) Find the

Algebra ->  Probability-and-statistics -> SOLUTION: Assume that the population of heights of male college students is approximately normally distributed with mean m of 68 inches and standard deviation s of 3.75 inches. (A) Find the      Log On


   

Question 697094: Assume that the population of heights of male college students is approximately normally distributed with mean m of 68 inches and standard deviation s of 3.75 inches. (A) Find the proportion of male college students whose height is greater than 70 inches.
(B) Find the proportion of male college students whose height is no more than 70 inches.


Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
(A) Z(70)=(70-69)/3.75=0.2667
P(X>70)=P(Z>0.2667)=0.3949

(B)P(X<=70)=1-0.3949=0.6051