P 11-19 (similar to) Question Help Calculate the 95% prediction intervals for the four different investments included in the following table. Average Return Standard Deviation of returns Small Stocks 18.17% 38.44% S&P 500 11.79% 19.35% Corporate Bonds 6.08% 7.96% T-Bills 3.72% 4.68% The 95% prediction interval of small stocks is between % and %. (Round to two decimal places and put the lower number first.)