A key joint in a precision machining process has a lower spe…
A key joint in a precision machining process has a lower specification limit of a width of 15.98 mm and an upper specification limit of 18.02 mm. The standard deviation is 0.4 mm and the mean is 17 mm. The company wants to reduce its defect probability and operate a “Six Sigma process.” What should the the standard deviation be to meet this target?
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