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SCENARIO 6-7 Ball Bearings Are Manufactured with a Mean Diameter of 6

Question 21

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SCENARIO 6-7
Ball bearings are manufactured with a mean diameter of 6 millimeters (mm).Because of the inherent manufacturing process variability,the lots of bearings are approximately normally distributed with a standard deviation of 0.03 mm.
-Using Scenario 6-7 and the result of the previous question,if 40,000 ball bearings were to be manufactured,how many would the manager have to discard?

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