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Mathematics, 08.11.2019 01:31 lele4343

In 2017, the entire fleet of light? duty vehicles sold in the united states by each manufacturer must emit an average of no more than 86 milligrams per mile (mg/mi) of nitrogen oxides (nox) and nonmethane organic gas (nmog) over the useful life ( 150,000 miles of driving) of the vehicle. nox + nmog emissions over the useful life for one car model vary normally with mean 80 mg/mi and standard deviation 4 mg/mi. (a) what is the probability that a single car of this model emits more than 86 mg/mi of nox + nmog? (enter your answer rounded to four decimal places.)

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