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Mathematics, 25.05.2020 14:57 briceevans32

The level of nitrogen oxides and nonmethane gas in the exhaust over the useful life of cars of a particular model varies normally with mean 90 mg/mi and standard deviation 4 mg/mg. A company has 25 cars of this model in its fleet

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The level of nitrogen oxides and nonmethane gas in the exhaust over the useful life of cars of a par...
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