Suppose that a unit of output is considered acceptable so long as it is at least 120 cm long but not longer than 130 cm. Further suppose that the process mean (u) is 125cm. Assume that we consider a process capable so longer as its appropriate capability index or ratio is at least 1.3. What is the maximum value for the process standard deviation (q) that would give us a capable process?
A. More than 0.6 but not more than 0.9
B. More than 0.9 but not more than 1.1
C. More than 1.1 but not more than 1.3