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September 1, 2015

Homework Help: math

Posted by tmouery on Thursday, March 28, 2013 at 4:40pm.

The population mean length of a hospital stay for surgery is 5.5 days and the standard deviation is 1.9 days. What percentage of patients are hospitalized for 3.9 days or less?

I've read the book and looked at the explanation that it gives and it's not making any sense.

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