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9- Each car in the United States must publish their fuel efficiency (mpg). Subaru sold 125,000 Outbacks in 2018. Subaru samples 22 Outbacks and calculates

9-
Each car in the United States must publish their fuel efficiency (mpg). Subaru sold 125,000 Outbacks in 2018. Subaru samples 22 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%. Which symbol correctly denotes the 2 mpg? O S On ON O x-bar O a Oo

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