A supplier of roller bearings makes lots of 10,000 and sorts them automatically according to size. In a typical lot of 10,000, the sizes break into the following categories:
The product requires rollers on target or, at most, 0.0001 oversize. Experience indicates that 100% must be reinspected before use because the machine inspection lets a few defective units slip through. The supplier should be encouraged to take which of the following actions?
Select an option, then click Submit answer.
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Learn what factors cause variability.
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Tighten the inspection criteria.
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Seek deviations from Quality Control.
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Doubly inspect the rollers
