# Question: Suppose that A and B each randomly and independently choose

Suppose that A and B each randomly and independently choose 3 of 10 objects. Find the expected number of objects

(a) Chosen by both A and B;

(b) Not chosen by either A or B;

(c) Chosen by exactly one of A and B.

(a) Chosen by both A and B;

(b) Not chosen by either A or B;

(c) Chosen by exactly one of A and B.

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