carriegoates36 carriegoates36

24-03-2024
Physics

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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 $3.43 to $4.03. 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.
What is the sample mean (in dollars)?

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