February 23, 2017

Homework Help: statistics

Posted by Sue on Saturday, March 2, 2013 at 2:43pm.

Boxes of bran flakes are known to be normally distributed with a mean weight of 475g and a standard deviation of 10g.Calculate the probability of a box having a weight exceeding 485 grams. Calculate the probability that the mean weight of sixteen boxes will exceed 480g.

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