One card each in casino war
You and the dealer are each dealt one card from a fair, shuffled -card deck. You win only if your card's rank is strictly higher than the dealer's. What is the probability you win?
Show hints (2)+
- Win and lose are symmetric: .
- A tie is matching ranks: given your card, of the rest match.
Answer
Reveal answer →Final answer
0.4706 (± 0.001)
Create a free account to see the full worked solution and track your progress.
Interview format: Market Maker, Numerical Reasoning Tests