Ann and Bill play rock-paper-scissors. Each has a strategy of choosing uniformly at random out of rock, paper, and scissors every round (making independent selections each round). Each round can end in a win, loss, or a tie for each player.

What is the probability Ann wins the first round.? (Remember that a tie is a possibility.)Prob =

What is the probability that Ann's first win happens in round #3?Prob =

What is the probability that Ann's first win comes after round #3?Prob =

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a) = 3 1 b) ... View the full answer

- hey Momany for Part C the 2/9 is the probability that Ann wins in the second round correct?
- sabitkaja
- Oct 02, 2018 at 10:29am

- Yes and 4/27 is the probability that Ann wins in the third round.
- momanyifred999
- Oct 02, 2018 at 10:31am

- 0 to calculate 2/9 i would have to follow the same steps as finding the probability if she wins the first round.
- sabitkaja
- Oct 02, 2018 at 10:36am

- 2/9 is the probability that Ann wins in the second round = P(she lost in the first round but won the second round) = 2/3*1/3=2/9
- momanyifred999
- Oct 02, 2018 at 10:40am

- thanks for the Clarification Momany, for some reason i thought that she won the first and the second round=1/3*1/3=1/9
- sabitkaja
- Oct 02, 2018 at 10:50am

- You are welcome.
- momanyifred999
- Oct 02, 2018 at 12:21pm

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3 1 ... View the full answer