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August 28, 2014

August 28, 2014

Posted by **Sheri** on Monday, July 9, 2012 at 6:49pm.

sample percent = 80% (sample proportion = .80)

standard deviation (S.D.) = .03

a. Set up the calculation of a 95% confidence interval to estimate the population proportion of Penn State students who are annoyed by spam e-mail?

.8 ± .06 =(.50 to .56) or (50 to 56) %

I think this is totally wrong -- help!

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