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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$2.86to$4.48.

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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$2.86to$4.48. Use the fact that the confidence interval for the mean is in the formx − Etox + 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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