A manufacturer sells a chemical compound in containers with a 1.01 lbs. specification. A study conducted requires taking samples over time, which yielded the sample mean weight to be 1.002 lbs. with a standard deviation of 0.003 lbs. What is the process capability index in the study? Which of the following is a valid conclusion, basde on the process capability index?

a. Process is not capable

b. Process is capable

c. Process doesn't need adjustments.

d. A&C

e. B&C