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 19.26% 39.93% S&P 500 11.06% 20.62% Corporate Bonds 6.16% 6.71% T-Bills 4.43% 3.35% The 95% prediction interval of the S&P500 is between % and %. (Round to two decimal places and put the lower number first.)