Pollution Carbon monoxide (CO) emissions for a certain kind of car vary with mean 2.9
Chapter 17, Problem 53(choose chapter or problem)
Pollution Carbon monoxide (CO) emissions for a certain kind of car vary with mean 2.9 g>mi and standard deviation 0.4 g>mi. A company has 80 of these cars in its fleet. Let y represent the mean CO level for the companys fleet. a) Whats the approximate model for the distribution of y? Explain. b) Estimate the probability that y is between 3.0 and 3.1 g>mi. c) There is only a 5% chance that the fleets mean CO level is greater than what value?
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