Chemistry, 13.09.2019 00:10 fonsworth5

An administrator in a very large company wants to estimate the mean level of nitrogen oxides (nox) emitted in the exhaust of a particular car model in their very large fleet of cars. historically, nitrogen oxide levels have been known to be normally distributed with a standard deviation of 0.15 g/ml. what is the parameter of interest that the administrator wants to estimate?

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