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A person buys a lottery ticket in 50 lotteries, in each of which his chance of winning a prize is . What is the probability that he will in a prize (a) at least once (b) exactly once (c) at least twice?

Answer» A person buys a lottery ticket in 50 lotteries, in each of which his chance of winning a prize is . What is the probability that he will in a prize (a) at least once (b) exactly once (c) at least twice?


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