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#1 Help Me ! » Statistics » 2005-09-19 11:36:22

april64
Replies: 1

I am having trouble trying to solve this equation. 

Batting averages of major league baseball players are thought to possess a mound-shaped symmetric distrution with a mean of .260 and a standard deviation of .03.  Find the proportion of major league baseball players who have a batting average that exceeds .230.

Thanks!

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