returns of S&P 500 stocks are normally distributed, what range of retums would you expect to see 95% of the time? Base your answer on the information below Small Stocks S&P 500 Corporate Bonds Average Return 19.58% 11,38% 6.59% Standard Deviation of retums 38 96% 20.51% 7.06% T-Bills 3.58% 3.73% Thin 95% prediction interval of the S&P500 is between % and % (Round to two decimal places and put the lower number first)