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May 25, 2015

Homework Help: statistics

Posted by robert on Thursday, March 29, 2012 at 10:15pm.

A Packaging Company sells soda and claims each can contains 12 oz. A random sample of 15 sodas yielded a sample mean of 11.2 oz. Given the sample standard deviation is 0.3 oz, estimate the margin of error for a 90% confidence interval.

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