Let X be a set containing n elements. Two subsets A and B of X are chosen at random, the probability that `AuuB=X` isA. `(.^(2n)C_(n))/(2^(2n))`B. `((3)/(4))^(n)`C. `(1)/(.^(2n)C_(n))`D. none of these

Let X be a set containing n elements. Two subsets A and B of X are cho

1.	Let X be a set containing n elements. Two subsets A and B of X are chosen at random, the probability that `AuuB=X` isA. `(.^(2n)C_(n))/(2^(2n))`B. `((3)/(4))^(n)`C. `(1)/(.^(2n)C_(n))`D. none of these
Answer» Correct Answer - B

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Let X be a set containing n elements. Two subsets A and B of X are chosen at random, the probability that `AuuB=X` isA. `(.^(2n)C_(n))/(2^(2n))`B. `((3)/(4))^(n)`C. `(1)/(.^(2n)C_(n))`D. none of these

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