ECZ 2019 · GCE Paper 1 — Probability
There are 4 blue and 5 white marbles in a bag. What is the probability of randomly picking a white marble?
- A. 49
- B. 15
- C. 59
- D. 45
Verified working — step 1
P(white) = favourable ÷ total = 54 + 5= …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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