Question 3
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The probabilities of two candidates, M and N, passing an examination are 2 ⁄ 3 and 4 ⁄ 5 respectively. Find the probability that:.
- only one candidate will pass:.
- at least one candidate will pass.
Observation
The Chief Examiner reported that this question was popularly attempted by candidates’. However, they did better in part (a) than in (b).
