20. If P(A) = 0.4 and P(B) = 0.2, and A and B are mutually exclusive events, which one of the following statements is true?
20. If P(A) = 0.4 and P(B) = 0.2, and A and B are mutually exclusive events, which one of the following statements is true? a. P(A or B) - 0.08 c. P(A and B) - 0.6 b. P(A and B) = 0 d. P(A or B) = 0.2
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