Exactly one ace in three draws
Three cards are drawn without replacement from a standard 52-card deck. What is the probability that exactly one of them is an ace? Give a decimal to four places.
Show hints (2)+
- Use combinations: choose 1 of 4 aces and 2 of 48 non-aces, over .
- "Exactly one" allows the ace in any of the three positions - don't fix it first.
Answer
Reveal answer →Final answer
0.2042 (± 0.005)
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Asked at: EV & Betting Games, Options Market-Making