Mathematics for IGCSE & O level - Probability (Section 6 - No. 6)
If the odds of a team winning a game are 2:5, what is the probability that the team *loses* the game?
2/7
5/7
2/5
3/5
説明
Odds of 2:5 means 2 wins for every 5 losses. Therefore, probability of losing is 5/(2+5) = 5/7.