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    An urn contains 2 white and 2 black balls .A ball is drawn at random.If it is white ,it is not replace ... third ball drawn is black. Select the correct answer from above options...
asked Nov 13, 2021 in Education by JackTerrance
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    Two cards are drawn successively with replacement from a well shuffled deck of 52 cards. Let X danote the random ... D. 24 169 Select the correct answer from above options...
asked Nov 13, 2021 in Education by JackTerrance
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    If the mean and the variance of a binomial variable X are 2 and 1 respectively, then the probability that X takes ... one is equal to: Select the correct answer from above options...
asked Nov 13, 2021 in Education by JackTerrance
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    The minimum number of times a fair coin needs to be tossed, so that the probability of getting at least two heads is at least 0.96 is : Select the correct answer from above options...
asked Nov 13, 2021 in Education by JackTerrance
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    Anurn contains 6 red,4 blue ,2 green and 3yellow marbles If two marbles are picked at random , what is the probability ... `(4)/(105)` Select the correct answer from above options...
asked Nov 13, 2021 in Education by JackTerrance
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