From a well shuffled deck of cards, 3 cards are chosen at random. What is the probability that the 3 chosen cards are king,queen and jack?
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The first card has to be one of 12 cards out of 52. 12/52 = 3/13.
Second card: 8/51. First two cards correct = 3/13 * 8/51 = 8/221
Third card: 4 cards out of 50 = 2/25. 8/221 * 2/25 = 16/5525