Question: A key joint in a precision machining process has a lower specification limit of a width of 0.99 mm and an upper specification limit of
A key joint in a precision machining process has a lower specification limit of a width of 0.99 mm and an upper specification limit of 1.01 mm. The standard deviation is 0.005 mm and the mean is 1 mm. What is the process capability index for the precision machining process? Pick the closest answer
0.01
0.33
0.67
0.99
1.33
1.67 or greater
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