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April 18, 2014

Homework Help: Statistics

Posted by Olivia on Wednesday, November 7, 2012 at 11:39am.

Let’s suppose a randomly selected sample of 75 American teenagers watches an average of 1472 hours of television per year with a standard deviation of 250 hours. Construct the 95% confidence interval (CI) for the mean number of hours American teenagers watch television per year

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