4.22. On the midterm exam in introductory statistics, an instructor always gives a grade of B to...
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4.22. On the midterm exam in introductory statistics, an instructor always gives a grade of B to students who score between 80 and 90. One year, the scores have approximately a normal distribution with mean 83 and standard deviation 5. About what proportion of the students get a B?
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Related Book For
Statistical Methods For The Social Sciences
ISBN: 9780130272959
4th Edition
Authors: Alan Agresti, Barbara Finlay
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