Find percentage of defective washers produced by machine

Reference no: EM13127283

The mean inside diameter of a sample of 200 washers produced by a machine is 0.502 inches and the standard deviation is 0.005 inches. The purpose of which these washers are intended allows a maximum tolerance in the diameter of 0.496 to 0.508 inches, otherwise the washers are considered defective. Determine the percentage of defective washers produced by this machine, assuming the diameters are normally distributed.

Reference no: EM13127283

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