How many test runs of the new volvo s40 model are required

Reference no: EM131373608

How many test runs of the new Volvo S40 model are required for determining its average miles-per-gallon rating on the highway to within 2 miles per gallon with 95% confidence, if a guess is that the variance of the population of miles per gallon is about 100?

Reference no: EM131373608

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