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 18.48% 38.57% S&P 500 11.21% 20.58% Corporate Bonds 6.69% 6.63% T-Bills 4.12% 3.07% The 95% prediction interval of the S&P500 is between % and 1% (Round to two decimal places and put the lower number first.)