E Week 4 Homework Question 13 of 20 (1 point) | Question Attempt: 1 of Unlimited 7 8 9 10 11 12 13 14 15 16 17 18 = 19 Suppose that a random sample of 9 recently sold houses in a certain city has a mean sales price of $275,000, with a standard deviation of $11,000. Under the assumption that house prices are normally distributed, find a 95% confidence interval for the mean sales price of all houses in this city. Give the lower limit and upper limit of the 95% confidence interval. formulas.) Carry your intermediate computations to at least three decimal places. Round your answers to the nearest whole number. (If necessary, consult a list of Lower limit: $ X ? Upper limit: $