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TOMMUS

Bonjour !

[tex]p(\bar{A}) = 1-p(A) = 1-0,7 = 0,3\\p(A \cup B) = p(A) + p(B) - p(A \cap B) = 0,3 + 0,5 - 0,3 = 0,5\\p(\bar{A} \cap B) = p(B) - p(A \cap B) = 0,5 - 0,3 = 0,2[/tex]

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