A Process Is in Control and Has a Normally Distributed $\mathrm { C } _ { \mathrm { p } }$

question 19

Multiple Choice

A process is in control and has a normally distributed output distribution with mean of 1000 and a standard deviation of 100 . The upper and lower specification limits for the process are 1060 and 940 , respectively. Find the $\mathrm { C } _ { \mathrm { p } }$ value of the process. Is the system capable?

• A) \(\mathrm { C } _ { \mathrm { p } } = 0.2\); the system is capable.
• B) \(\mathrm { C } _ { \mathrm { p } } = 3.333\); the system is not capable.
• C) \(C _ { p } = 3.333\); the system is capable.
• D) \(\mathrm { C } _ { \mathrm { p } } = 0.2\); the system is not capable.

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