Multiple Choice
The average annual return for the S&P 500 from 1886 to 2006 is 15%, with a standard deviation of 25%. Based on these numbers, what is a 95% confidence interval for 2007's returns?
A) -35%, 65%
B) -17.5%, 32.5%
C) -25%, 55%
D) -20%, 50%
Correct Answer:
Verified
Correct Answer:
Verified
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