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Questions  >>  CBSE XII  >>  Math  >>  Probability
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A person buys a lottery ticket in 50 lotteries, in each of which his chance of winning a prize is 1100. What is the probability that he will win a prize (a) at least once (b) exactly once (c) at least twice?

(a)1(99100)50(b)12(99100)49(c)1(99100)49(149100)(a)1(99100)50(b)12(49100)49(c)1(49100)49(99100)(a)1(9950)25(b)12(4950)49(c)1(4950)49(49100)(a)1(9950)25(b)12(99100)49(c)1(4950)49(149100)

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