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Math Help - indicated Probability

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    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!!!
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    Re: indicated Probability

    Quote Originally Posted by ShawniceAllen View Post
    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!!!
    DO NOT POST THE SAME QUESTION MORE THAN ONCE PERIOD!

    P(A\cup B)=P(A)+P(B)-P(A\cap B). Solve for P(A\cap B).
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