1. ## indicated Probability

Find indicated probability. If P(A) = 0.5, P(B) = 0.4, and P(A or B) = 0.7, find P(A and B). I dont gwt it help please!!!

2. ## Re: indicated Probability

Originally Posted by ShawniceAllen
Find indicated probability. If P(A) = 0.5, P(B) = 0.4, and P(A or B) = 0.7, find P(A and B). I dont gwt it help please!!!
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$P(A\cup B)=P(A)+P(B)-P(A\cap B)$. Solve for $P(A\cap B)$.