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April 21, 2014

Homework Help: College Statistics 2

Posted by Andrea on Wednesday, January 28, 2009 at 8:08pm.

I saw that this was already answered but I can't find it if anyone knows, can you point me in the right direction?

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

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