Mathematics

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

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
Correct Answer: Option C
Explanation

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