Since events A and B are independent, it means, BY THE DEFINITION, that the probability of the event (A and B) is the product P(A) and P(B) P(A and B) = P(A)*P(B). Hence, all you need to do is to multiply the two given numbers. ANSWER. P(A and B) = P(A)*P(B) = 0.82*0.87. Use your calculator.