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| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 4 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
7.78 A machine that produces ball bearings has initially been set so that the true average diameter of the  bearings it produces is 0.500 in. A bearing is acceptable if its diam- eter is within 0.004 in. of this target value. Suppose, how- ever, that the setting has changed during the course of
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production, so that the distribution of the diameters pro- duced is well approximated by a normal distribution with mean 0.499 in. and standard deviation 0.002 in. What per- centage of the bearings produced will not be acceptable?
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