On the midterm exam in mathematics, an instructor always gives a grade of A to students who
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On the midterm exam in mathematics, an instructor always gives a grade of A to students who score between 90 and 95. One year, the scores have approximately a normal distribution with mean 83 and standard deviation 7.
About what proportion of the students get an A?
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Related Book For 
Statistical Methods For The Social Sciences
ISBN: 9781292220314
5th Global Edition
Authors: Alan Agresti
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