Question #72534
1. Two students A and B can solve 50% and 80% problems are respectively from the exercise. What is the probability that either A or B can solve a problem chosen at random.
2. For any events A and B, it is known that P(A) = 2/3 P( A U B )= 7/12 and P (A ∩ B) = 5/12. Find P ( B ).
2. For any events A and B, it is known that P(A) = 2/3 P( A U B )= 7/12 and P (A ∩ B) = 5/12. Find P ( B ).
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