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Mathematics, 14.06.2021 15:40 multibeastpr

Which of the following statements is true? If a statement is true, prove it. If it is false, give a counterexample. a. If P(A) + P(B) + P(C) = 1. then the events A, B, and C are mutually exclusive.
b. If P(A U B U C) = 1, then A, B, and C are mutually exclusive events.

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