Formules Flashcards

(14 cards)

1
Q

Probabilité (analytiquement)

A

P(A) = n(A)/N

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2
Q

Probabilités conditionnelles

A

P(A|B) = n(A∩B)/n(B)

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3
Q

Permutation

A

P=N!

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4
Q

Arrangement

A

Arn=N!/(N-r)!

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5
Q

Combinaison

A

Crn=N!/(N-r)!r!

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6
Q

Rang médian

A

(n+1)/2

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7
Q

Écart inter-inter-quartile (EIQ)

A

Q3-Q1

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8
Q

Moustaches min/max

A

1,5.EIQ

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9
Q

Mesure d’asymétrie

A

G1 = M3/S3

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10
Q

Mesures d’aplatissement

A

G2=M4/S4

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11
Q

Moyenne binomiale

A

𝜇 = n.p

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12
Q

Variance binomiale

A

σ2 = np(1-p) = npq

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13
Q

Ecart-type binomial

A

σ = racine carrée de np(1-p) = racine carrée de npq

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14
Q

Score Z

A

(X-μ)/σ

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