Question
1.The weight of a mechanical component is normally distributed with a mean of 22 oz. and a standard deviation of 0.5 oz. a)What is the
1.The weight of a mechanical component is normally distributed with a mean of 22 oz. and a standard deviation of 0.5 oz.
a)What is the probability that a component weighs more than 23 oz.?
b)What must the standard deviation of weight be in order for the company to state that 99.9% of its components are less than 23 oz.?
c)If the standard deviation remains at 0.5 oz., what must the mean weight be in order for the company to state that 99.9% of its components are less than 23 oz.
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Basic College Mathematics With Early Integers
Authors: Marvin L Bittinger, Judith A Beecher
3rd Edition
0321922794, 9780321922793
