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    Probability

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    The formulas you need are these:
    <br>
    <br>Probability of event A occuring is 1 - the probability of A not occuring, or shorthand:
    <br>
    <br>P(A) = 1 - P(not A)
    <br>
    <br>Do the algebra and you also get
    <br>
    <br>P(not A) = 1 - P(A)
    <br>
    <br>You are given P(A) = 0.3
    <br>
    <br>a) So P(not A) = 1 - P(A) = 1 - 0.3 = 0.7
    <br>
    <br>Imagine the Venn Diagram with overlapping circles A and B. The area inside A can be proportional to the ...

    Solution Summary

    Given that the probability that A occurs is 0.3, the probability that B does not occur is 0.6, and the probability that either A or B occurs is 0.5, find
    (a) The probability that A does not occur.
    (b) The probability that both A and B occur.
    (c) The probability that A occurs and B does not occur.

    $2.19

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