Dans une journée de formation, la réparation des participants est la suivante : Sexe: hommes | femmes Origine : gironde | 29 | 78. | Lot-et-Garonne | 17 | 34 | On choisit au hasard une personne de ce groupe et on note A l'événement « la personne choisie est un homme » 1/ Qu'elle est la probabilité de l'événement A ? 2/ On note B l'événement À et donner sa probabilité. 3/ On note B l'événement « la personne choisie est une femme du Lot-et-Garonne. Calculer P (B). 4/ Les événement A et B sont-ils incompatible ? Merci beaucoup de votre réponse.
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