The mean income of a group of sample observations is $500; the standard deviation is $40. According

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The mean income of a group of sample observations is $500; the standard deviation is $40. According to Chebyshev’s theorem, at least what percent of the incomes will lie between $400 and $600?

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Statistical Techniques in Business and Economics

ISBN: 978-1259666360

17th edition

Authors: Douglas A. Lind, William G Marchal

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Question Posted: May 28, 2018 08:05 AM

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The mean income of a group of sample observations is $500; the standard deviation is $40. According

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Statistical Techniques in Business and Economics

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