Homework Help: Math

Posted by Anonymous on Wednesday, October 7, 2009 at 2:49pm.

The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a standard deviation of 9.7. What percent of adult males have blood pressure between 161.28 and
164.9?

Math - Reiny, Wednesday, October 7, 2009 at 3:41pm
This little applet is just perfect for your kind of question.
Just enter the data as you have it and choose the "between" option

http://davidmlane.com/hyperstat/z_table.html

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