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up:: [[statistiques]], [[cheat sheet]]
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#maths/statistiques
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#s/maths/statistiques
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- loi binomiale $\mathcal{B}(n, p)$ : $E(X) = n\cdot p$, $\sigma(X) = \sqrt{ n\cdot p\cdot (1-p) }$
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- loi de poisson $\mathcal{P}(\lambda)$ : $P(X=k) = \dfrac{\lambda^{k}e^{k}}{k!}$, $E(X) = V(X) = \lambda$, $\sigma(X) = \sqrt{ \lambda }$
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