Mathematics for IGCSE & O level - Probability (Section 4 - No. 19)
A bag contains 4 red and 6 white marbles. If a marble is selected randomly, what is the probability that it is white?
2/5
3/5
1/2
1/10
Explanation
Probability = (favorable outcomes) / (total outcomes) = 6 / 10 = 3/5
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