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Math Help - probability

  1. #1
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    probability

    Given the probability of happening an event A is 0.80 and event B is 0.60.
    what is The Probability of happening event A or B

    my ans is 1 is it correct
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by bluffmaster.roy.007 View Post
    Given the probability of happening an event A is 0.80 and event B is 0.60.
    what is The Probability of happening event A or B

    my ans is 1 is it correct
    There is insufficient information to answer (if B \subseteq A then P(A \vee B)=0.8, and depending on their overlap the answer could be anything between 0.8 and 1).

    CB
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