SOLUTION: The chances of winning of two horses are 1/3 and 1/6 respectively. What is the probability that at least one will win when the horses are running the same race

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Question 1035251: The chances of winning of two horses are 1/3 and 1/6 respectively. What is the probability that at least one will win when the horses are running the same race
Answer by robertb(5830) About Me  (Show Source):
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Assuming that one horse winning is independent of the other winning, the probability that at least one will win, based on the addition rule, is 1%2F3+%2B+1%2F6+-+%281%2F3%29%2A%281%2F6%29+=+4%2F9.