_{48}C_{3 } ways of picking the other 3 cards. There are _{52}C_{7} equally likely ways of picking 7 cards from 52. The probability you want is 4 * _{48}C_{3} / _{52}C_{7}. _{n}C_{r } is the binomial coefficient of picking r things from n.

Ap M.

asked • 02/19/19# When playing a card game and seven cards are drawn, what is the probability of getting a 10, a Jack, a Queen and a King in the same suit?

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