Sylva Tooling has an automated drilling machine and the owners want to determine the equipment’s capability for machining a part’s diameter to a specification of 0.350 ± 0.004 inches. After a trial run period, the lathe produced a sample mean of 0.351 inches, with a standard deviation of 0.0009 inch.
- Calculate the Cpk for this drilling machine.
- Is this process capable of meeting customer requirements? Explain.
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