Oblicz P(B\A), jeśli wiadomo że: P(A)= 2/3 oraz P(AuB)=8/9
P(A)=2/3
P(AUB)=8/9
P(B\A)= P(AUB)-P(A)= 8/9-2/3=8/9-6/9=2/9
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P(A)=2/3
P(AUB)=8/9
P(B\A)= P(AUB)-P(A)= 8/9-2/3=8/9-6/9=2/9