Question
An instructor gives his class a set of 20 problems with the information that the next quiz will consist of a random selection of 8
An instructor gives his class a set of 20 problems with the information that the next quiz will consist of a random selection of 8 of them. If a student has figured out how to do 13 of the problems, what is the probability the he or she will answer correctly
a) all 8 problems?
b) at least 7 problems?
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Introduction to graph theory
Authors: Douglas B. West
2nd edition
131437372, 978-0131437371
