Mathematics, 29.07.2019 15:20 jessicachichelnitsky

Aand b are two events. p(a)=0.25 , p(b)=0.5 and p(a and b)=0.15 . what is the value of p(a or b) ? 0.15 0.25 0.60 0.90

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Aand b are two events. p(a)=0.25 , p(b)=0.5 and p(a and b)=0.15 . what is the value of p(a or b) ?...

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