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September 20, 2014

Homework Help: statics

Posted by gg on Saturday, April 2, 2011 at 2:13pm.

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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