22. The width of a slot of a duralumin forging is (in inches) normally distributed with ...

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22. The width of a slot of a duralumin forging is (in inches) normally distributed with μ = 9000 and σ = .0030. The specification limits were given as 9000 ±.0050.

(a) What percentage of forgings will be defective?

(b) What is the maximum allowable value of σ that will permit no more than 1 in 100 defectives when the widths are normally distributed with

μ = 9000 and σ?

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A First Course In Probability

ISBN: 9780137463145

5th Edition

Authors: Sheldon M. Ross

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Question Posted: Sep 07, 2024 05:02 AM

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22. The width of a slot of a duralumin forging is (in inches) normally distributed with ...

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A First Course In Probability

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