Intervalle de confiance | Desmos

Copie échantillon

16

Calculs échantillon

26

Cadre

31

Textes

33

42

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Population totale : 2000

Taille de l'échantillon : 187

Fréquence du caractère rouge dans l'échantillon : 0.44385027

Proportion de caractère rouge dans la population : 0.42035809

Pour un seuil de confiance à 95%, on obtient :

"p" Subscript, "e" , Baseline minus StartFraction, 1 Over StartRoot, "n" , EndRoot , EndFraction less than or equal to "p" less than or equal to "p" Subscript, "e" , Baseline plus StartFraction, 1 Over StartRoot, "n" , EndRoot , EndFraction

0.4 4 3 8 5 0 2 7 minus StartFraction, 1 Over StartRoot, 187 , EndRoot , EndFraction less than or equal to "p" less than or equal to 0.4 4 3 8 5 0 2 7 minus StartFraction, 1 Over StartRoot, 187 , EndRoot , EndFraction

0.3 7 0 7 2 3 0 2 less than or equal to "p" less than or equal to 0.5 1 6 9 7 7 5 1

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