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