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March 30, 2015

Homework Help: stats

Posted by jackie on Friday, April 6, 2012 at 1:03pm.

The per capita consumption of coffee by people in the United States in a recent year was normally distributed, with a mean of 24.2 gallons and a standard deviation of 8.1 gallons.
What proportion of people in the U.S. drink more than 20 gallons of coffee a year?

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