xDANTEx8958 xDANTEx8958

06-03-2024
Mathematics

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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 14 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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