2 cards are drawn randomly from a deck of 52 cards without replacement. Consider A = 1, J = 11, Q = 12, K =13. The probability to get a sum of 25 is
Probabilities
2011-05-24 7:51 pm
回答 (1)
2011-05-24 8:08 pm
✔ 最佳答案
Only two possible arrangements are that selecting Q first and then K and selecting K first then Q.So P(get a sum of 25) = 4/52 * 4/51 * 2 = 8/663
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收錄日期: 2021-04-25 17:28:52
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https://hk.answers.yahoo.com/question/index?qid=20110524000051KK00245