Posted by **Ally** on Monday, May 31, 2010 at 12:44pm.

Anna and bob play a game in which Anna begins by rolling a fair dice, after which bob tosses a fair coin. They take turns until one of them wins. Anna wins when she rolls a 6. Bob wins when the coin lands on heads. What is the probability that Anna will win the game?

Well there are a number of ways for Anna to win like 1st it is 1/6 the second way can be 5/6*1/2*5/6*1/2*1/6 etc. Where do i go from here to find an exact number for the probability?

- Math/Probability -
**PsyDAG**, Tuesday, June 1, 2010 at 1:31pm
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

- Math/Probability -
**anna**, Friday, June 11, 2010 at 1:02am
What is the probability of rolling a sum that exceeds four with two dice

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