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C-Spec, Inc. is attempting to determine whether an existing machine is 3 sigma capable of milling...

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Operations Management

C-Spec, Inc. is attempting to determine whether an existingmachine is 3 sigma capable of milling an engine part that has a keyspecification of 3 ± 0.05 inches. After a trial run on thismachine, C-Spec has found that the machine has a sample mean of3.001 inches with a standard deviation of 0.030 inch.

a). Calculate the Cpk for this machine. (Round your answer to 3decimal places)

b). What would be the defect rate if the machine is used inproduction? (Round your answer to 2 decimal places)

Answer & Explanation Solved by verified expert
4.1 Ratings (531 Votes)
UPPER SPECIFICATION 305 LOWER SPECIFICATION 295 PROCESS MEAN 3001 STANDARD DEVIATION 003 Cpk MINIMUMUPPER SPECIFICATION MEAN 3 STANDARD DEVIATION MEAN LOWER SPECIFICATION 3    See Answer
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