Question
A bag contains 15 black balls, 25 white balls, and 20
yellow balls. If three balls are drawn at random with replacement, what is the probability of drawing a white ball first, a black ball second, and a yellow ball third?Solution
Since, the ball is replaced each time
Therefore, required probability = (25/60) Ă— (15/60) Ă— (20/60) = 5/144
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