Mathematics, 14.09.2019 12:10, Deavionaaaaa

If a and b are events with p(a) = 0.5, p(a or b) = 0.65, p(a and b) = 0.15, find p(b).

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If a and b are events with p(a) = 0.5, p(a or b) = 0.65, p(a and b) = 0.15, find p(b)....