2.51 In one year, earnings growth of the 500 largest U.S. corporations averaged 9.2%; the standard deviation

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2.51 In one year, earnings growth of the 500 largest U.S.

corporations averaged 9.2%; the standard deviation was 3.5%.

a. It can be guaranteed that 84% of these earnings growth figures will be in what interval?

b. Using the empirical rule, it can be estimated that approximately 68% of these earnings growth figures will be in what interval?

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Statistics For Business And Economics

ISBN: 9780273767060

8th Global Edition

Authors: Paul Newbold, Mr William Carlson, Ms Betty Thorne

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Question Posted: Sep 23, 2024 08:01 AM

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2.51 In one year, earnings growth of the 500 largest U.S. corporations averaged 9.2%; the standard deviation

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Statistics For Business And Economics

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