Espanol A certain brokerage house wants to estimate the mean daily return on a certain stock. A random sample of 20 days yields the following return percentages. 0.5, -2.4, -0.28, 2, 1.74, - 1.04, 0.73, -2.44, 2.29, 0.42, -0.1, -2.08, 2.01, 0.68, 0.2, -1.46, 0.17, - 1.47, 2.23, - 1.19 Send data to calculator Send data to Excel If we assume that the returns are normally distributed, find a 99% confidence interval for the mean daily return on this stock. Give the lower limit and upper limit of the 99% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.) Lower limit: X 5 Upper limit