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August 30, 2014

Homework Help: AP Stats

Posted by Emily on Tuesday, September 14, 2010 at 9:38pm.

The distribution of heights of adult American men is approximately normal with mean 69 inches and standard deviation 2.5 inches. Use the 68-95-99.7 rule to answer the following questions:

(d) A height of 71.5 inches corresponds to what percentile of adult male American heights?

==> I already know the answer is the 84th percentile, but how do you get this answer?

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