Mathematics for IGCSE & O level - Probability (Section 3 - No. 44) | ExamPlay

Mathematics for IGCSE & O level - Probability (Section 3 - No. 44)

The probability of an event is 0.7. What are the odds *against* that event happening?

3:7

7:3

3:10

7:10

설명

Odds against = P(not happening) / P(happening) = 0.3/0.7 = 3:7

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