zlt136 Posted January 3, 2020 Share Posted January 3, 2020 Bonsoir, je ne comprends pas quel raisonnement il faut suivre pour les items B et C (qui sont vrais). Je trouve un résultat hyper bizarre, donc si qqn pourrait m'éclairer ce serait super aha Quote Link to comment Share on other sites More sharing options...
Solution Le_Chapelier_Fou Posted January 3, 2020 Solution Share Posted January 3, 2020 Hi Zoé, Imagine toi un arbre de probabilité à 4 branches de longueur, à chaque fois c'est F (0.5) soit G (0.5). A. P(GGGG) = 0.5^4 < 0.25 FAUX B. P(F/ GGG) = 0.5^4 / 0.5^3 = 0.5 VRAI C. P(FF / GG) = 0.5^4 / 0.5^2 = 0.5^2 = 0.25 VRAI D. FAUX, exclusifs E. VRAI '' sachant que '' Quote Link to comment Share on other sites More sharing options...
zlt136 Posted January 3, 2020 Author Share Posted January 3, 2020 Okkk merci ! @Le_Chapelier_Fou Quote Link to comment Share on other sites More sharing options...
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