world:question
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world:question [2022/03/18 18:25] rdouc |
world:question [2022/04/22 08:25] rdouc |
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| - | {{url>https://calendar.google.com/calendar/embed?src=jt0bh9rhbnifo2ffkb9jooe1d8%40group.calendar.google.com&ctz=Europe%2FParis 80%,3cm}} | ||
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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}} | {{page>:reponse}} | ||
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world/question.txt · Last modified: 2022/04/22 09:13 by rdouc
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