Problem 3: (20 points) 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±0.003 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 0.002 inch. Should C-Spec use this machine to produce this part? Why?
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