Mathematics, 09.12.2020 01:50 xojade
On place dans un sac cent jetons, indiscernables au toucher, numérotés de 00 à 99.
On tire un jeton et on observe le numéro.
00
01
99
Quelle est la probabilité de tirer :
un jeton portant un numéro supérieur ou égale à 60 ?
un jeton contenant au moins un zéro ?
un jeton ne contenant pas de zéro ?
un jeton ne contenant que des 5 ou des 7 ?
un jeton portant un zéro ou un jeton ne contenant que des 5 ou des 7 ?
Answers: 2
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On place dans un sac cent jetons, indiscernables au toucher, numérotés de 00 à 99.
On tire un jeton...
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