Statisticsmedium · Past Paper
A bag contains 3 red, 5 black and 4 white balls. What is the probability that a ball drawn is NOT black?
A5/12
B7/12
C1/3
D3/4
✓ Correct Answer: B — 7/12
Total = 12. Non-black = 3 (red) + 4 (white) = 7. Probability = 7/12.
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