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.

The 95% prediction interval of the S&P500 is between ____% and ____%. (Round to two decimal places and put the lower number first.)

\begin{tabular}{lcccc} \hline & Small Stocks & S\&P 500 & Corporate Bonds & T-Bills \\ \hline Average Return & 19.51% & 11.79% & 6.92% & 3.29% \\ Standard Deviation of returns & 39.04% & 19.48% & 6.61% & 3.56% \\ \hline \end{tabular}