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Normal, Binomial, Poisson, & Chi-Square
Maths. Lois discrètes.
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Statistics
Normal, Binomial, Poisson, & Chi-Square
10th
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12 Terms
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1
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Espérance (loi Bernoulli)
E(X)=p
2
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Espérance (loi uniforme)
E(X)=n+1/2
3
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Variance (loi Bernoulli)
V(X)=p(1-p)
4
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Écart type (loi Bernoulli)
ó(X)=√p(1-p)
5
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Loi uniforme
{1, 2, …, 6}
6
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2 issues (p et q)
Épreuve de Bernoulli
7
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Espérance (loi binomiale)
E(X)=np
8
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Variance (loi binomiale)
V(X)=np(1-p)
9
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Écart type (loi binomiale)
ó(X)=√np(1-p)
10
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Loi géométrique
Au bout d'un succès, on s'arrête.
11
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Loi binomiale
On compte les succès.
12
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Espérance (loi géométrique)
E(X)=1/p