Question: 1. When the process is in control, the average number of defects is 36. Calculate the UCLc and LCLc. Use 2 control limits. (Please do
1. When the process is in control, the average number of defects is 36. Calculate the UCLc and LCLc.
Use 2 control limits. (Please do not miss this tighter control limit when you work with the proper equation.)
2. A process has a mean of 9 and a = 0.10.
the lower tolerance limit is 7
the upper tolerance limit is 12
Compute the value of Cpk
3. A serial system is assembled from 40 parts. To be successful in the marketplace, the system has to have 3 reliability.
What level of reliability of each part is necessary to achieve that level of the overall reliability?
Use 4 decimal places.
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