d$.C_{pu}$

QUESTION $6$

The time taken for a customer service representative to resolve a caller's issue is measured for four weeks. Management believes the target time for resolving callers' issues should be between one and three minutes with a target of two minutes. The data collected for the actual process average time of $2\mathrm{.}36$ minutes with a standard deviation of $0\mathrm{.}53$ minutes. What is the process capability index cenario?

Note $C_p=\frac{\text{U}\text{S}\text{L}-LSL}{6}.$

a$.0\mathrm{.}31$

b$.0\mathrm{.}53$

c$.0\mathrm{.}63$

d$.0\mathrm{.}48$

QUESTION $7$