Friday
March 27, 2015

Homework Help: statistics

Posted by Harley on Tuesday, June 28, 2011 at 12:50pm.

Assuming that the weights of newborn babies are normally distributed with mean 6.5 pounds and standard deviation 1.2 pounds, how many babies in a group of 80 do we expect to weigh more than 8.9 pounds?
Please show work
Thank you

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