Grinstead-Snell-Probability · Problem 4.1.6

Conditional Probability

Mathematics · conditional-probability-cards-draws

Problem

From a deck of five cards numbered 2, 4, 6, 8, and 10, respectively, a card is drawn at random and replaced. This is done three times. What is the probability that the card numbered 2 was drawn exactly two times, given that the sum of the numbers on the three draws is 12?

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