Mathematics for IGCSE & O level - Probability (Section 4 - No. 6)
A box contains 3 red, 4 blue and 2 green balls. What is the probability of choosing a blue ball?
1/3
4/9
2/9
4/10
Explanation
Probability = favorable outcomes / total outcomes = 4 (blue balls) / 9 (total balls) = 4/9
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