Question

A powder metal manufacturing company is producing sleeves for a locking mechanism. The target (nominal) value for the inside diameter is 1 inch. The inside diameter specifications are 1 .005 inches. Assume that the process is in statistical control with = 1.0002 inches, = .003 inches, and subgroup size of 5. Calculate the estimated proportion of out-of-specification sleeve inside diameters.
A. .0471
B. .0217
C. .0001
D. .4783
E. .0139

Answer

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