1.

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

Answer»


ANSWER :`(a) 1-((99)/(100))^(50) (B) (1)/(2)((99)/(100))^(49) (c ) 1- (149)/(100)((99)/(100))^(49)`


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