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July 31, 2015

Homework Help: Stats

Posted by Melanie on Saturday, November 28, 2009 at 9:53am.

A manufacturer of golf equipment wishes to estimate the number of left-handed golfers. How large a sample is needed in order to be 90% confident that the sample proportion will not differ from the true proportion by more than 2%? A previous study indicates that the proportion of left-handed golfers is 10%.

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