October 14, 2015

Homework Help: Statistics/Probability

Posted by Koylar on Sunday, July 20, 2014 at 2:49pm.

A component is rejected if its has a diameter less than 70mm, reworked if the diameter is between 70 and 73.5mm or more than 78.5mm. The diameter of a component is normally distributed with a mean 76mm and standard deviation 2.5mm. In a batch of 400 components, determine the number of components:
(1) that are rejected,
(2) that are accepted

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