Question: A process screens a certain type of potash granules resulting in a mean diameter of .03 cm and a standard deviation of .003 cm. The

A process screens a certain type of potash granules resulting in a mean diameter of .03 cm and a standard deviation of .003 cm. The allowable variation in granule in diameter is from .02 to .04 cm.
a. Calculate the capability ratio Cp for the process.
b. Is the process capable?

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