Question

Based on experience, the Ball Corporation's aluminum can manufacturing facility in Ft. Atkinson, Wisconsin, knows that the metal thickness of incoming shipments has a mean of 0.2731 mm with a standard deviation of 0.000959 mm.
(a) A certain shipment has a diameter of 0.2761. Find the standardized z-score for this shipment.
(b) Is this an outlier?


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  • CreatedAugust 19, 2015
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