In painting an automobile, the thickness of the color coat has a lower specification limit of 0.80 mils and an upper specification limit of 1.20 mils. Find the Cp and Cpk capability indexes if (a) the process mean is1.00 mils and the process standard deviation is .05 mils; and (b) the process mean is .90 mils and the process standard deviation is .05 mils, (c) What was the point of this exercise?
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