Question: A firm using a 3-sigma statistical quality control program would expect to find an average of how many defects per million samples? A. 3 times
A firm using a 3-sigma statistical quality control program would expect to find an average of how many defects per million samples?
A. 3 times the standard deviation of the number of defects
B. 6 times the mean number of defects
C. 3
D. 2,700
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