Suppose that the average number of defects in a unit is known to be 10. If the
Question:
Suppose that the average number of defects in a unit is known to be 10. If the mean number of defects in a unit shifts to 14, what is the probability that it is detected by a U chart on the first sample following the shift
(a) if the sample size is n = 1?
(b) if the sample size is n = 4? Use a normal approximation for U.
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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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