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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 $2.95
Suppose you are told that a 95% confidence interval for the average price of a gallon of regular gasoline in your state is from $2.95 to $4.16. 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= $ E= $
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College Algebra DeMYSTiFieD
Authors: Rhonda Huettenmueller
2nd Edition
0071815856, 9780071815857
