Suppose you are told that a 95% confidence interval for the average price of a gallon of regular gasoline in your state is from $2.96 to $4.37. Use the fact that the confidence interval for the mean...


Suppose you are told that a 95% confidence interval for the average price of a gallon of regular gasoline in your state is from $2.96 to $4.37. Use the fact that the confidence interval for the mean is in the form x −
E
to x +
E
to compute the sample mean and the maximal margin of error
E. (Round your answers to two decimal places.)



Jun 01, 2022
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