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11 August, 14:31

If the Pr (A) = 0.3 what is Pr (A')

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  1. 11 August, 17:27
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    0.7

    Step-by-step explanation:

    I assume Pr is for Probability and A' is "not A" (complementary probability)

    Pr (Anything) = 1

    Pr (A) = 0.3

    Pr (A') = 1-Pr (A) (anything but A)

    Pr (A') = 1-0.3

    Pr (A') = 0.7
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