Question: R3. 29: If the upper and lower specification limits are set at 6, the process capability ratio (Cp) is 2.0. If another process capability study

R3. 29: If the upper and lower specification limits are set at 6, the process capability ratio (Cp) is 2.0. If another process capability study is performed and is determined that hasnt changed but the process capability index (Cpk) is now 1.5, the process:

A. is producing approximately 6.8 ppm defective.

B. is producing approximately 3.4 ppm defective.

C. has a mean that can move even more in the direction it is going without producing more than 3.4 ppm defective.

D. is producing the same % defective as when the original study was performed.

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