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A recent study of 30 gas stations found that the average price of gas in Upstate NY is currently $2.15 per gallon.A previous study found

A recent study of 30 gas stations found that the average price of gas in Upstate NY is currently $2.15 per gallon.A previous study found that the standard deviation was $0.28 per gallon.Find the 98% confidence interval of the true mean price of gas per gallon.Assume that the gas prices are approximately normally distributed.

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