Suppose that a quality characteristic is normally distributed with specifications from 20 to 32 units. (a) What
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Suppose that a quality characteristic is normally distributed with specifications from 20 to 32 units.
(a) What value is needed for σ to achieve a PCR of 1.5?
(b) What value for the process mean minimizes the fraction defective? Does this choice for the mean depend on the value of σ?
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a So 13333 b 2032226 When the ...View the full answer
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Related Book For
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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