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 4 0.003

  1. 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.

a.Calculate the capability ratio (Cp)for this machine.

b.Calculate the capability index (Cpk)for this machine.

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