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. S&P 500 11.22% Corporate Bonds 6.88% 6.68% T-Bills 3.82% 3.88% 20.49% Average Return Standard Deviation of returns Small Stocks 18.08% 39.17% COB The 95% prediction interval of the S&P500 is between % and % (Round to two decimal places and put the lower number first.)