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8- Each car in the United States must publish their fuel efficiency (mpg). Subaru sold 125,000 Outbacks in 2018. Subaru samples 120 Outbacks and calculates

Each car in the United States must publish their fuel efficiency (mpg). Subaru sold 125,000 Outbacks in 2018. Subaru samples 120 Outbacks and calculates a sample mean of 35 mpg on the highway with a sample standard deviation of 2 mpg. Subaru wants a confidence level of 99%. What is n?

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