11. (i) what percentage of the shafts is reworked? What percentage is scrapped? (ii) for various reasons, the process average is changed to 6.40 mm. With this new mean or process center, what percentage of the shafts is reworked? What percentage is scrapped? (iii) is the change in the process center a wise decision?
12. What should the process mean be in order to have cpk=1.33. How can you use the 5m+1E to deal with this situation? Is this a reasonable solution?
13. What should the process standard deviation be in order to have cpk=1.33. . How can you use the 5m+1E to deal with this situation? Is this a reasonable solution?
11. (i) what percentage of the shafts is reworked? What percentage is scrapped? (ii) for various reasons, the process av
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answerhappygod
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