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QCM TD1


unePASSionnée
Go to solution Solved by Kovu,

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  • Solution

Coucou @Cellule24

En fait, ici on te définit une nouvelle variable appelée X barre qui correspond à ta variable X mais divisée par 400. Donc, tu connais l'espérance de X (qui est de 16 puisque dans une loi de poisson l'espérance correspond au paramètre), si X barre = X/400 alors E(X barre) = E(X)/400 donc est égale à 16/400 

 

Tu comprends ou pas? 🧡

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