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probability question?
Two players X and Y play a game in which X throws 6 coins and Y throws an unbiased die. Player X wins if the number of heads is greater than the number on the die.
The question is: If X throws 5 heads, find the probability that he wins.
THANKS
2 Answers
- PuzzlingLv 76 years ago
X throws 5. He wins if Y throws 1, 2, 3 or 4. He loses if Y throws 5 or 6.
P(X wins) = 4/6
= 2/3
- Anonymous6 years ago
He wins if the die shows 1-4, which has probability 4/6 = 2/3
