A Steel Company Is Interested in Determining If a Particular

question 29

Essay

A steel company is interested in determining if a particular process in its mini?mill is capable of meeting customer expectations.The thickness of steel has an upper limit of .540 mm and a lower limit of .480 mm.The process has a standard deviation of .02 mm.
a.What is the process capability index (C_p) for this process?
b.What must the standard deviation of the process be changed to for the C_p to equal 1.00?

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