C-Spec, Inc., is attempting to determine whether an existing machine is capable of milling an engine part that has a key specification of 4 + 0.03 inches. After a trial run on this machine, C-Spec has determined that the machine has a sample mean of 4.010 inches with a standard deviation of 0.003 inch. a. Calculate the Cpk for this machine. (Round your answer to 3 decimal places.) pk