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Question: 1. A certain process has an upper specification limit of 220 and a lower specification limit of 160. The process standard deviation is 6, and the mean is 170.

a. Calculate C_p and C_pk for this process.

b. What could be done to improve the process capability C_pk to 1.0?

2. A certain process is under statistical control and has a mean value of µ = 130 and a standard deviation of σ = 8. The specifications for this process are USL = 150, LSL = 100.

a. Calculate C_p and C_pk.

b. Which of these indices is a better measure of process capability? Why?

c. Assuming a normal distribution, what percent of the output can be expected to fall outside the specifications?

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Operation Management, Management Studies

Category:- Operation Management
Reference No.:- M92748430

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