Mathematics for IGCSE & O level - Probability (Section 8 - No. 5)
Anna selects a ball from a bag, notes its color, replaces it, and selects another. There are 4 green and 1 blue ball. What is the probability that the first ball is green and the second is blue?
4/25
1/5
4/5
2/25
Explanation
P(green) = 4/5, P(blue) = 1/5, P(green and blue) = (4/5) * (1/5) = 4/25
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