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| Teaching Since: | May 2017 |
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| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Let x represent the number of underinflated tires on an automobile of a certain type, and suppose that p(0) = .4, p(1) = p(2) = p(3) = .1, and p(4) = .3, from which µ = 1.8.
a. Calculate the standard deviation of x.
b. For what proportion of such cars will the number of underinflated tires be within 1 standard deviation of the mean value? More than 3 standard deviations from the mean value?
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