The average annual return over the period 1926-2009 for the S&P 500 is 12.0%, and the standard deviation of returns is 21.3%. Based on these numbers, what is a 95% confidence interval for 2010 returns?

A) -1.5%, 21.8%
B) -10.7%, 32.8%
C) -30.6%, 54.6%
D) -30.6%, 76.4%


Answer: C

Business

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Fill in the blank(s) with correct word

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The plaintiff's burden of proof in a tort case is proof ________.

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