Consider a firm that makes bags of Jelly Belly jelly beans. For each bag the upper spec limit is 368 jelly beans, the lower spec limit is 330 jelly beans, and the variance of the process is 18.49.
a) If the mean (target) of the process is 350 jelly beans, is the process capable?
b) If the mean (target) of the process is 340 jelly beans, is the process capable?