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Mathematics, 30.05.2021 19:50 Marcus2935
Je suis bloque sur cet exercice:
Une urne contient 100 boules numérotées de 1 a 100. On preleve une boule au hasard.
On considére les evenements suivants :
A: le numéro de la boule est pair
B: le numéro est un multiple de 5
C: Le numéro est un multiple de 10
1.
Calculer les probabilités de
a) A, B, C,
b) À inter B
c) B inter C
d) A inter C barre
2.
En déduire la probabilité de A union B et A union C barre
Pour le 1, j ai trouvé
a) 1/2, 1/5, 1/10
b) 1/10
c) 1/10
Mais je ne sais pas comment faire le reste
Merci d avance
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Je suis bloque sur cet exercice:
Une urne contient 100 boules numérotées de 1 a 100. On preleve une...
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