At least one matching pair in three cards
Draw three cards from a shuffled standard deck. What is the probability that at least two of them share a rank? Give a decimal to four places.
Show hints (2)+
- Use the complement: probability all three cards have distinct ranks.
- Chain the conditionals: , then subtract from 1.
Answer
Reveal answer →Final answer
0.1718 (± 0.005)
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Asked at: Game-Based Aptitude, EV & Betting Games