- Three children 1,2,3 are arranged in a circle playing a game ofthrowing a ball to each another. At each stage the child having theball is equally likely to throw it in to anyone of the other. Whatis the probability that first child takes the ball and don’t throwit to anyone.
Expert Answer
Each child has equal probability to throw to any one of theother.
Therefore, when a child throws the ball, probability that anychild takes the ball = 1/3
Probability that the first child takes the ball = 1/3
Probability that he doesn’t throw it to anyone but himself =1/3
Probability that the first child
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