I ve got this simple problem and I can can not find the solution.(adsbygoogle = window.adsbygoogle || []).push({});

Two men play head and tails. Each man flips the coin n times, every time he has head, he should add one point to his score. At the end, they compare the scores, whose score has more points , the man is the winner.

A is the probability of a man lose or win, B is the probability when the two have the same points. Calculate A and B?

Thanks

**Physics Forums - The Fusion of Science and Community**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Head and tails game

**Physics Forums - The Fusion of Science and Community**