If and are independent events with probabilities and respectively

MATHEMATICS · Single correct · A Level · Mathematics · Probability · Probability

Problem

If AA and BB are independent events with probabilities P(A)P(A) and P(B)P(B) respectively, which one of the following gives P(A∪B)P(A\cup B)? (a) P(A)+P(B)P(A)+P(B) (b) P(A)P(B)P(A)P(B) (c) P(A)+P(B)−P(A)P(B)P(A)+P(B)-P(A)P(B) (d) P(A)+P(B)+P(A)P(B)P(A)+P(B)+P(A)P(B)

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