The following two questions involve service process that has a mean of 130 seconds with a standard deviation of 2.5 seconds, where the upper and lower specification limits for the process are140 seconds and 128 seconds, respectively.

A. What is the process capability ratio for this process?

A. 0.625

B. 0.80

C. 1.25

D. 3.00

E.none

B. Is the process capable of providing an acceptable level of quality (99.7% acceptable)?

A. Yes

B. No