Problem: Teams and are playing a series of games. If the odds for either team to win any game are even and Team must win two or Team three games to win the series, then the odds favoring Team to win the series are
Answer Choices:
A. 11 to 5
B. 5 to 2
C. 8 to 3
D. 3 to 2
E. 13 to 6
Solution:
The four sequences of wins (each followed by its probability) for Team to lose the series are . The total probability for Team to lose is so that, to win is . The odds favoring Team A to win are to .