Question: (Please make all calculations to the nearest ten-thousandth) The weight of a U.S. Double Eagle gold coin at the beginning of the 20th century was

(Please make all calculations to the nearest ten-thousandth) The weight of a U.S. Double Eagle gold coin at the beginning of the 20th century was set at 30.0926 grams +/- 0.0300 grams. A machine that makes metal blanks to be made into coins is tested and found to produce blanks that weigh, on average, 30.0935, with a standard deviation of 0.0086 grams.

What is the process capability index of the machine? _________________________

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