iI the probability of winning game A is 1/2 and the probability of winning game B is 1/2. What is the probability of winning games A and B?
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probability of winning game A and B is
P ( A intersection B ) = 1/2 × 1/2 = 1/4
i.e P(A U B ) = P ( A) + P ( B ) - 1/4
1/2 +1/2 - 1/4 = 3/4 is your answer
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