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Lay's makes potato chip bags that need to be between 99.5oz and 100.5oz. You do measurements, and you find that a normal distribution describes Lay's actual bagging machine performance. Specifically, the mean of the process is 99.55 oz, and the process standard deviation is 0.08 oz. If Lay's wants to achieve "six sigma" quality, by what percentage does Lay's need to change the process's standard deviation by?

Lay's makes potato chip bags that need to be between 99.5oz and 100.5oz. You do measurements, and you find that a normal distribution describes Lay's actual bagging machine performance. Specifically, the mean of the process is 99.55 oz, and the process standard deviation is 0.08 oz. If Lay's wants to achieve "six sigma" quality, by what percentage does Lay's need to change the process's standard deviation by?

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Lay's makes potato chip bags that need to be between 99.5oz and 100.5oz. You do measurements, and you find that a normal distribution describes Lay's actual bagging machine performance. Specifically, the mean of the process is 99.55 oz, and the process standard deviation is 0.08 oz. If Lay's wants to achieve "six sigma" quality, by what percentage does Lay's need to change the process's standard deviation by?
Transcribed Image Text:Lay's makes potato chip bags that need to be between 99.5oz and 100.5oz. You do measurements, and you find that a normal distribution describes Lay's actual bagging machine performance. Specifically, the mean of the process is 99.55 oz, and the process standard deviation is 0.08 oz. If Lay's wants to achieve "six sigma" quality, by what percentage does Lay's need to change the process's standard deviation by?
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