Linda boardman, inc., an equipment manufacturer in boston, has submitted a sample cutoff valve to improve your manufacturing process. your process engineering department has conducted experiments and found that the valve has a mean (mu) of 12.00 and a standard deviation (sigma) of 0.04. your desired performance is mu = 12.00 +/- 3 standard deviations, where sigma is 0.020.

what is the process capability index?

a) 0.100

b)0.300

c)0.500

d) 0.700

e) 0.900