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

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.