An In-Control, Centered Process That Follows a Normal Distribution Has $\mathrm { C } _ { \mathrm { p } } = 0.6667$

question 84

Multiple Choice

An in-control, centered process that follows a normal distribution has a $\mathrm { C } _ { \mathrm { p } } = 0.6667$ . How many standard deviations away from the process mean is the upper specification limit?

• A) \(2 \sigma\)
• B) \(4 \sigma\)
• C) \(\frac { 2 \sigma } { 3 }\)
• D) \(3 \sigma\)

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