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A company producing printed circuit boards is using a c-chart with an L = 2.75 to monitor the lamination process. The process is in-control and the data show that average number of defects per inspection unit of 100 boards is 2.5.   Unknowingly the process mean shifts to 4.5. What is the probability the shift will be caught on the next process sample?

A company producing printed circuit boards is using a c-chart with an L = 2.75 to monitor the lamination process. The process is in-control and the data show that average number of defects per inspection unit of 100 boards is 2.5.   Unknowingly the process mean shifts to 4.5. What is the probability the shift will be caught on the next process sample?

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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A company producing printed circuit boards is using a c-chart with an L = 2.75 to monitor the lamination process. The process is in-control and the data show that average number of defects per inspection unit of 100 boards is 2.5.  

Unknowingly the process mean shifts to 4.5. What is the probability the shift will be caught on the next process sample?

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