12. If 4 persons are chosen at random from a class containing 8 freshmen and 12 sophomores, what is the probabilitythat 4 freshmen are chosen?

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Answered: If 4 persons are chosen at random from…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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If 4 persons are chosen at random from a class containing 8 freshmen and 12 sophomores, what is the probability that 4 freshmen are chosen?