If returns of S&P 500 stocks are normally distributed, what range of returns would you expect to ste 95% of the time? Base your answer on the information below. Average Return Standard Deviation of returns Small Stocks 19.52% 39.46% S&P 500 11.91% 19.33% Corporate Bonds 6.72% 6.27% T-Bills 3.49% 3.52% The 95% prediction interval of the S&P500 is between 1% and %. (Round to two decimal places and put the lower number first.)