world:question
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world:question [2022/03/18 18:32] rdouc |
world:question [2022/04/22 09:13] (current) rdouc |
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| - | {{url>https://calendar.google.com/calendar/embed?src=jt0bh9rhbnifo2ffkb9jooe1d8%40group.calendar.google.com&ctz=Europe%2FParis 50%,400px}} | + | {{page>:reponsemultiple}} |
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| - | ====== Question of the day ====== | + | |
| - | + | ||
| - | <WRAP center round tip 100%> **Question.** | + | |
| - | Soit $X$ une variable aléatoire de loi $N(0,1)$. On pose $a=\PE[(X-1)^2]$. Donner la valeur de $a$. | + | |
| - | </WRAP> | + | |
| - | <WRAP center> | + | |
| - | ^ Réponse A ^ Réponse B ^ Réponse C ^ | + | |
| - | | $a=1$ | $a=2$ | Je ne sais pas | | + | |
| - | </WRAP> | + | |
| - | {{page>:reponse}} | + | |
world/question.1647624753.txt.gz · Last modified: 2022/03/18 18:32 by rdouc
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