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A new process is being evaluated.  After getting the process into a state of statistical control, a...

  1. A new process is being evaluated.  After getting the process into a state of statistical control, a sample of size 100 was taken yielding the following results: = 42.23,  sample standard deviation = 1.86.  The specifications for this process are USL = 48, LSL = 36.  Assuming the population is normally distributed, compute the following:

a.  Pp

b.  Ppk

c.    PPM

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