1.

A person buys a lottery ticket in 50 lotteries, in each of which his chance of winning and prize is 1/100. What is the probability that he will win a prize. (a) at least once (b) exactly once

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Answer :(a) `1-((99)/(100))^(50)` (b) `(1)/(2)((99)/(100))^(49)` (C) `1-(149)/(100)((99)/(100))^(49)`


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