ECZ 2025 · O-Level Paper 1 — Probability

The probability that a learner will not miss the school bus on any particular day is 18. What is the probability that the learner will miss the bus on any particular day?

  • A. 68
  • B. 17
  • C. 18
  • D. 78

Verified working — step 1

Let P(not miss)=18.

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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