Suppose that after monitoring thousands of ball bearings, a manufacturer observes that 0.27% of them are out

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Suppose that after monitoring thousands of ball bearings, a manufacturer observes that 0.27% of them are out of spec. Assume that the process mean is 1.5 standard deviations below the target mean. Given this information, it is possible to conclude that this manufacturer is employing a k-sigma process. What is k approximately?

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Business Analytics Data Analysis and Decision Making

ISBN: 978-1305947542

6th edition

Authors: S. Christian Albright, Wayne L. Winston

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