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Discrete Structures

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At a particular University students must receive one of the following grades: A, B, C, D and F. What is the minimum number of students required in a course to ensure that at least 8 will receive the same grade?

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The answer here is 36 students.

The best case scenario is if you had 8 students, and they all just happened to receive the same grade.

Imagine what the worst case scenario would look ...

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