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 19.19% 11.78% 6.12% 3.61% Standard Deviation of returns 38.68% 20.02% 6.88% 3.42% The 95% prediction interval of the S&P500 is between % and % (Round to two decimal places and put the lower number first.)