Recent questions tagged Probability-mcq

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    The probability distribution of a random variable x is given as under: where k is a constant. Calculate (i) E(X) (ii) ... iii) P(X ≥ 4) Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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    Two cards are drawn successively without replacement from a well shuffled deck of cards. Find the mean and standard ... of aces. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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    There are 5 cards numbered 1 to 5, one number on one card. Two cards are drawn at random without replacement. ... and variance of X. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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    If A and B are two events such that P(A) = 1/2, P(B) = 1/3 , P(A/B) = 1/4 , then P(A' ∩ B' ) equals A. 1/12 B. 3/4 C. 1/4 D. 3/16 Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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