Homework Help: statistics

Posted by Maddie Liguori on Tuesday, March 1, 2011 at 12:24am.

The distribution of the heights of men in the U.S. is normally distributed with a mean of 70 inches and a standard deviation of 5 inches.
a) What is the probability of an american male being less than 60 inches tall?
b) What is the probability of an american male being between 68 and 72 inches tall?

statistics - PsyDAG, Tuesday, March 1, 2011 at 9:18pm
Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores.

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