Question: Studies on a machine that molds plastic water pipe indicate that when it is injecting 29.97 mm diameter pipe, the process standard deviation is 0.92

Studies on a machine that molds plastic water

Studies on a machine that molds plastic water pipe indicate that when it is injecting 29.97 mm diameter pipe, the process standard deviation is 0.92 mm. The pipe has a specification of 29.97 mm plus or minus 1.64 mm. What is the process capability index (Cp)? a. 1.188 O b. 0.5942 O c. 1.783 d. 0.2971

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