Friday
April 25, 2014

Homework Help: statistics

Posted by paula on Sunday, March 17, 2013 at 10:29pm.

a pizza shop owner wishes to find the 95% confidence interval of the true mean cost of a large plain pizza. how large should the sample be if she wishes to be accurate to within $0.15? a previous study showed that the standard deviation of the price was $0.26

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