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July 26, 2014

Homework Help: stats (please help)

Posted by Celest on Thursday, July 21, 2011 at 8:23pm.

Assume that the population of heights of male college students is approximately normally distributed with mean  of 69 inches and standard deviation  of 3.75 inches. Show all work.
(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.

Is this correct?
a) z=(70-69)/3.75 = .2667
.5+.1026 = .6026
b) 1-.6026 = .374 or 37.4%


any help is appreciated

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