An exam has a mean of 70 with a standard deviation of 10. Use Chebyshev's Theorem to

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An exam has a mean of 70 with a standard deviation of 10. Use Chebyshev's Theorem to find a lower bound for the number of students in a class of 400 who scored between 50 and 90.

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Applied Statistics In Business And Economics

ISBN: 9780073521480

4th Edition

Authors: David Doane, Lori Seward

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Question Posted: Aug 19, 2015 04:17 AM

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An exam has a mean of 70 and a standard deviation of 10. What exam score corresponds to a z-score of 1.5?
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An exam has a mean of 70 with a standard deviation of 10. Use Chebyshev's Theorem to

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90 70 70 50 20 20 10 2 Cheb...View the full answer

Applied Statistics In Business And Economics

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