Three balls are drawn one after the other with replacement, from a bag containing 5...

WAEC 1992

Three balls are drawn one after the other with replacement, from a bag containing 5 red, 9white and 4 blue identical balls, What is the probability that they are one red, one white and one blue?

A. 5/102
B. 5/136
C. 5/162
D. 5/204
E. 5/243

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Correct Answer: Option C

Explanation

Total number of balls = 18
P(1R, 1W, 1B) = ⁵/₁₈ x ⁹/₁₈ x ⁴/₁₈ = ⁵/₁₆₂

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Three balls are drawn one after the other with replacement, from a bag containing 5...

Correct Answer: Option C

Explanation

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