In an industrial process the diameter of a ball bearing is a

In an industrial process the diameter of a ball bearing is an important component part. The buyer sets specifications on the diameter to be 3.0 plusminus 0.01 cm. The implication is that no part falling outside these specifications will be accepted. It is known that in the process the diameter of a ball bearing has a normal distribution with mean 3.0 and a standard deviation 0.005. On the average what fraction of the manufactured ball bearings will be rejected? 0.48 0.85 0.34 0.48

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