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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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- | ====== Question of the day ====== | + | |
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- | <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}} | + | |