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

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

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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