A lazy professor gave two tests A and B to a class of n students and assigned
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Question:
A lazy professor gave two tests A and B to a class of n students and assigned marks A i and B i , respectively, to student i, for i = 1, 2, . . . ., n, uniformly and independently at random with values from the set of possible grades 1,2,.., k. What is the probability that some student receives the same grade in both tests?
Related Book For
Probability and Statistics
ISBN: 978-0321500465
4th edition
Authors: Morris H. DeGroot, Mark J. Schervish
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