LetX be a set containing n elements.Two subsets A and B of X are chose – InterviewSolution

1.	LetX be a set containing n elements.Two subsets A and B of X are chosen at random,the probability that A∪B=X is
Answer» $L e t X b e a s e t c o n t a i n i n g n e l e m e n t s . T w o s u b s e t s A a n d B o f X a r e c h o s e n a t r a n d o m, t h e p r o b a b i l i t y t h a t$ $A \cup B = X$ is

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