JAMB - Mathematics (2025 - No. 35)
If the probability of death is q and the probability of survival is p, find the probability of one death and one survival in an accident involving two persons
p/q
pq
p - q
p + q
Explanation
1: First survives, second dies: \( p \cdot q \)
2: First dies, second survives: \( q \cdot p \)
The total probability can be expressed as:
\(\text{Total Probability} = pq + qp = 2pq\)
Since \( 2pq \) is not an option, the closest form is \( pq \).
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