Question: A normally distributed quality characteristic has specification limits at LSL = 50 and USL = 60. A random sample of size 35 results in xbar

A normally distributed quality characteristic has specification limits at LSL = 50 and USL = 60. A random sample of size 35 results in xbar = 55.5 and s = 0.9.

Calculate a point estimate of Cpk.

Find a 95% confidence interval on Cpk.

Is this a 6process?

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