A class is given an exam. The distribution of the scores is normal. The mean score is
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A class is given an exam. The distribution of the scores is normal. The mean score is 72 and the standard deviation is 7. What is the probability that a student scored between 81 and 84? P(81 < x <84)=
Related Book For
Introduction To Statistics And Data Analysis
ISBN: 9780495118732
3rd Edition
Authors: Roxy Peck, Chris Olsen, Jay L. Devore
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