Question: Suppose that we found the average return for the S&P 500 from 2010 to 2014 to be 13.37% with a standard deviation of 7.13%. What

Suppose that we found the average return for the S\&P 500 from 2010 to 2014 to be 13.37% with a standard deviation of 7.13%. What is a 95\% prediction interval for 2015's return? 13.37%27.64%0.89% Between 0.89% and 27.63%
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