Thursday
November 20, 2014

Homework Help: statistics

Posted by sammy on Saturday, June 21, 2008 at 5:26pm.

a recent poll of 700 peole who work indoors found that 278 of the smoke. If the researchers want to be 98% confident of thier results to within 3.5% how large a sample is necessary?

how do i work this problem?

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