A process makes parts with a critical dimension that can be modeled as a Normal distribution with
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Question:
A process makes parts with a critical dimension that can be modeled as a Normal distribution with mean 39.98 and standard deviation 0.08 inches. If the specification for that dimension is 39.8 to 40.2 inches, what percentage of output would be defective?
a. 2.1%
b. 0.8%
c. 0.3%
d. 1.5%
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