7.123 Suppose that your statistics professor tells you that the scores on a midterm exam were approximately

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7.123 Suppose that your statistics professor tells you that the scores on a midterm exam were approximately normally distributed with a mean of 78 and a standard deviation of 7. The top 15% of all scores have been designated A’s. Your score is 89. Did you receive an A? Explain.

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Introduction To Statistics And Data Analysis

ISBN: 9780840054906

4th Edition

Authors: Roxy Peck, Chris Olsen, Jay L. Devore

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