Mathematics, 30.03.2020 18:57, susie1968

The level of nitrogen oxides (NOX) in the exhaust of a particular car model varies with mean 0.8 grams per mile and standard deviation 0.17 grams per mile . (a) What sample size is needed so that the standard deviation of the sampling distribution is 0.01 grams per mile

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The level of nitrogen oxides (NOX) in the exhaust of a particular car model varies with mean 0.8 gra...