Question: C-Spec, Inc., is attempting to determine whether an existing machine is capable of milling an engine part that has a key specification of 40.02 inches.

C-Spec, Inc., is attempting to determine whether an existing machine is capable of milling an engine part that has a key specification of 40.02 inches. After a trial run on this machine, C-Spec has determined that the machine has a sample mean of 4.001 inches with a standard deviation of 0.020 inch. Calculate the Cpk for this machine. (Round your answer to 3 decimal places.)
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