Question: Problem 3 A process is in statistical control with x = 202.5 and s = 2.0. Specifications are LSL = 196 and USL = 206.

Problem 3 A process is in statistical control

Problem 3 A process is in statistical control with x = 202.5 and s = 2.0. Specifications are LSL = 196 and USL = 206. a) What is the actual process capability for this process? b) What is the potential capability for this process? c) Items whose measurement fallbelow the lower specification limit are scrapped, while those whose measurements lie above the upper specification limit can be reworked. What proportion of the process are scrapped and what proportion can be reworked? d) Because scrap is more costly than rework, the process has been centered closer to the upper specification limit. If scrap is twice as expensive as rework, is the process mean at the best possible location? If not, what value would you recommend

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