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December 18, 2014

Homework Help: math 12

Posted by kitkat on Wednesday, January 19, 2011 at 6:27pm.

A manufacturer of cereal finds that the masses of cereal in a company's 200-g package are normally distributed with a mean of 200g and a standard deviation of 16.3g
a) What proportion of these boxes contain between 183.7g and 216.3g of cereal?
b) What is the probability that a box selected at random contains more than 216.3g of cereal?

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