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The probability that a person wins a prize on a lottery ticket is If he purchases lottery tickets at random, then the probability that he wins at least one prize is
(a)
(b)
(c)
(d)

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Important Questions on Binomial Distribution
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In a binomial distribution, mean is and variance is then probability of success

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A die is thrown four times. The probability of getting perfect square in at least one throw is

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A random variable If values of mean and variance of are and respectively then total number of possible values of are

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For the following distribution function of a random variable

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The p. d. f. of a random variable is given by and then.
