Question: A process makes parts with a critical dimension that can be modeled as a Normal distribution with mean 40.0 and standard deviation 0.06 inches. If
A process makes parts with a critical dimension that can be modeled as a Normal distribution with mean 40.0 and standard deviation 0.06 inches. If the specification for that dimension is 39.8 to 40.2 inches, what should be the standard deviation so that it becomes a six sigma process?(Provide three decimal places)
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