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What is the probability of 3 students out of 11 getting the same grade on an exam?
Wiki User
∙ 10y ago
It is not possible to answer the question since there is no information on how many grades there are. Second, the probability of a student getting a particular grade will depend on how "wide" the grade is: some grade boundaries are closer together than others. Furthermore, the grades achieved by the students are not independent events. If the exam is very easy, they might all get a top grade.
Wiki User
∙ 10y ago
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