If returns ofS&P 500 stocks are normallydistributed, what range of returns would you expect to see95% of thetime? Base your answer on the information below.

small stocks: average return=18.73% ; standard deviation of returns=39.41%

S&P500:average return=11.43% ; standard deviation of returns=20.95%

Corporate bonds:average return=6.21%% ; standard deviation of returns=6.65%

T-Bills:average return=3.26% ; standard deviation of returns=3.42%

The95% prediction interval of theS&P500 is between ?% and ?%