Homework Help: statistics

Posted by Lori on Friday, March 15, 2013 at 4:47pm.

Suppose that the heights of female adults in the US are normally distributed with a mean (ľ) of 65.4 inches and a standard deviation (σ) of 2.8 inches. Let X denote the height of a randomly chosen adult female. Find the probability that X is between 66 and 70 inches:

statistics - Reiny, Friday, March 15, 2013 at 6:58pm
Just enter the values into Dave Lane's excellent page
http://davidmlane.com/normal.html

enter the mean and sd
click on between and enter 66 and 70 to get

.365

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