Maths. Lois discrètes.

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Last updated 6:47 PM on 12/12/22
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12 Terms

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Espérance (loi Bernoulli)
E(X)=p
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Espérance (loi uniforme)
E(X)=n+1/2
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Variance (loi Bernoulli)
V(X)=p(1-p)
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Écart type (loi Bernoulli)
ó(X)=√p(1-p)
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Loi uniforme
{1, 2, …, 6}
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2 issues (p et q)
Épreuve de Bernoulli
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Espérance (loi binomiale)
E(X)=np
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Variance (loi binomiale)
V(X)=np(1-p)
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Écart type (loi binomiale)
ó(X)=√np(1-p)
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Loi géométrique
Au bout d'un succès, on s'arrête.
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Loi binomiale
On compte les succès.
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Espérance (loi géométrique)
E(X)=1/p