State the approximate probability that a normal random variable will fall within the following intervals: A. Mean

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State the approximate probability that a normal random variable will fall within the following intervals:
A. Mean plus or minus one standard deviation.
B. Mean plus or minus two standard deviations.
C. Mean plus or minus three standard deviations.
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Quantitative Investment Analysis

ISBN: 978-1119104223

3rd edition

Authors: Richard A. DeFusco, Dennis W. McLeavey, Jerald E. Pinto, David E. Runkle

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