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 −Eto x +Eto compute the sample mean and the maximal margin of errorE. (Round your answers to two decimal places.)
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here