Studies on a machine that molds plastic water pipe indicate that when it is injecting 25.76 mm diameter pipe, the process standard deviation is 0.75 mm. The pipe has a specification of 25.76 mm plus or minus 1.95 mm. What is the process capability index (Cp)? Оа. 0.4333 O b. 2.6 Ос. 1.733

Practical Management Science
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Studies on a machine that molds plastic
water pipe indicate that when it is
injecting 25.76 mm diameter pipe, the
process standard deviation is 0.75 mm.
The pipe has a specification of 25.76 mm
plus or minus 1.95 mm. What is the
process capability index (Cp)?
O
a. 0.4333
b. 2.6
О с. 1.733
O d. 0.8667
Transcribed Image Text:Studies on a machine that molds plastic water pipe indicate that when it is injecting 25.76 mm diameter pipe, the process standard deviation is 0.75 mm. The pipe has a specification of 25.76 mm plus or minus 1.95 mm. What is the process capability index (Cp)? O a. 0.4333 b. 2.6 О с. 1.733 O d. 0.8667
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