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TTImi TTImi
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6 years ago
A machine shop requires a specific hardness range on purchased iron blocks. A machine is used to test the hardness. To be acceptable, the hardness readings need to be between a UTL of 366 and an LTL of 335. The supplier reports that the mean hardness is 350, with a standard deviation of 7. What would the percent defective be for this process using the LTL?
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drawnbluddrawnblud
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6 years ago
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TTImi Author
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6 years ago
Thanks for your help!!
macbookpro1
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Yesterday
Brilliant ツ
amandamraz
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2 hours ago
Good timing, thanks!
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