Mathematics for IGCSE & O level - Probability (Section 7 - No. 41)
If the odds in favor of an event are 3:2, what is the probability of that event occurring?
2/5
3/5
2/3
3/2
説明
Odds of 3:2 means 3 favorable outcomes to 2 unfavorable outcomes. Probability is favorable/total, or 3/(3+2) = 3/5.