SOLUTION: A and B are independent events. P(B) = 0.5 and P(A AND B) = 0.3. Find P(A). Round your answer to the nearest tenth.

Question 1176350: A and B are independent events. P(B) = 0.5 and P(A AND B) = 0.3. Find P(A).
Round your answer to the nearest tenth.
Answer by ikleyn(52777) (Show Source): You can put this solution on YOUR website!
.


Since  P(A and B) = 0.5  and since  the events A and B are independent,


    P(A and B) = P(A)*P(B) = 0.3.


In the last equality, substitute  P(B) = 0.5.   You will get


    P(A)*0.5 = 0.3.


It implies  P(A) =  = 0.6.    ANSWER

Solved.

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