A machining process is capable of producing a component with an average specification of 5 inches and a process standard deviation of 0.1 inch. Suppose the customer accepts the component as long as it falls between 4.8 inches and 5.2 inches, then the process capability is:
A. 1.333
B. 0.667
C. 1.5
D. 1.0
E. 4.0
Answer: B. 0.667
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