Problem:
C-Spec, Inc., is attempting to determine whether an existing machine is capable of milling an engine part that has a key specification of 5 ± 0.09 inches. After a trial run on this machine, C-Spec has determined that the machine has a sample mean of 5.001 inches with a standard deviation of 0.030 inch.
Required:
Question 1) Calculate the Cpk for this machine. Solve the problem and show all work.