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
waec 1992mathematics

The correct answer is C. 5/162

Total number of balls = 18

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

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