In a game of matching coins with 2 players, suppose A wins one unit of value when there are two heads, wins nothing when there are two tails, and loses ½ unit of value when there are one head and one tail.
1. How many time should player B play Heads?
2. How many times should player A choose to play Tails?
3. How many time should player B play Tails?
Please show complete solution and explanation