Question: Suppose a set, A, contains N elements. Consider the power set of A, (A). If one of the sets in the power set is chosen

Suppose a set, A, contains N elements. Consider the power set of A, (A). If one of the sets in the power set is chosen at random, what is the expected value of the number of elements in that set? You can write the answer as a summation. You do not need to write this in closed form. Briefly justify your answer.

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