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Let X be a set containing n elements. Tw...

Let X be a set containing n elements. Two subsets A and B of X are chosen at random. Find the probability that `AcupB=X

A

`""^(2n) C_(n) // 2^(2n)`

B

`1// ""^(2n) C_(n)`

C

`(1, 3 , 5 ….. (2n -1))/(2^(n) n !) `

D

`((3)/(4))^(n)`

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The correct Answer is:
D
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