Mathematics, 24.09.2019 05:30 strad08

If p(b) = 0.4, p (a or b) =0.7, and p(a and b)= 0.3, find p(a).

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If p(b) = 0.4, p (a or b) =0.7, and p(a and b)= 0.3, find p(a)....

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