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Suppose you are told that a 95% confidence interval for the average price of a gallon of regular gasoline in your state is from $2.86

Suppose you are told that a 95% confidence interval for the average price of a gallon of regular gasoline in your state is from$2.86to$4.48. Use the fact that the confidence interval for the mean is in the formxEtox+Eto compute the sample mean and the maximal margin of errorE. (Round your answers to two decimal places.)

x= $ *blank*

E= $*blank*

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