Sum
If odds in favour of X solving a problem are 4:3 and odds against Y solving the same problem are 2:3. Find probability of: Y solving the problem
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Solution
Odds against Y solving the problem are 2:3
∴ The probability of Y solving the problem is P(Y)
= 1 – P(Y')
= `1 - 2/(2 + 3)`
= `1 - 2/5`
= `3/5`
Concept: Odds (Ratio of Two Complementary Probabilities)
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