Question: 1.4: In explaining why a 1.5-sigma shift in mean is considered in deriving the 3.4 DPMO in the definition of Six Sigma, we studied the

1.4: In explaining why a 1.5-sigma shift in mean is considered in deriving the 3.4 DPMO in the definition of Six Sigma, we studied the following Operating-Characteristic (OC) Curves for the Chart: If the required probability that a randomly observed has an 80% probability of detecting a 1.0 shift in the mean, what should be the sample size, approximately? 5 10 15 20

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