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. Small Stocks S&P 500 Corporate Bonds T-Bills Average Return 19.63% 11.08% 6.47% 4.84% Standard Deviation of returns 38.79% 20.43% 7.06% 3,46% The 95% prediction interval of the S&P500 is between % and %. (Round to two decimal places and put the lower number first.)