Question: Let A and B be two events in a sample space such that P(A) = 1 and P(B) = 1. Use the results of

Let A and B be two events in a sample space Ω such that P(A) = 1 and P(B) = 1.

Use the results of Exercise 5 to show that P(A ∪ B) = 1, P(AB) = 1, P(A′B′) = 0.

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