Homework Help: Statistics

Posted by Kelly on Thursday, November 10, 2011 at 1:46pm.

Suppose the heights of women aged 20 to 29 follow approximately the N(66.7, 2.4) distribution. Also suppose men the same age have heights distributed as N(70.5, 2.2).

What percent (ą 0.1) of young men are shorter than average young women?

Statistics - PsyDAG, Friday, November 11, 2011 at 11:31am
Z = (female mean-male mean)/male SD

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

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