If returns of S&P 500 stocks are normally distributed, what range of returns would you expect to see 95% of the time? Base your answer on the information below. Average Return Standard Deviation of returns Small Stocks 18.57% 39.09% S&P 500 11.17% 19.26% Corporate Bonds 6.56% 6.23% T-Bills 4.76% 3.09% The 95% prediction interval of the S&P500 is between ]% and %. (Round to two decimal places and put the lower number first.)