On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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0.39918000000000003], [85, 0.40182]], {"stroke": "red"}], [[[84.3, 0.4005], [85.7, 0.4005]], {"stroke": "red"}], [[[86, 0.37068], [86, 0.37332]], {"stroke": "red"}], [[[85.3, 0.372], [86.7, 0.372]], {"stroke": "red"}], [[[87, 0.39768000000000003], [87, 0.40032]], {"stroke": "red"}], [[[86.3, 0.399], [87.7, 0.399]], {"stroke": "red"}], [[[88, 0.39358], [88, 0.39621999999999996]], {"stroke": "red"}], [[[87.3, 0.3949], [88.7, 0.3949]], {"stroke": "red"}], [[[89, 0.38518], [89, 0.38782]], {"stroke": "red"}], [[[88.3, 0.3865], [89.7, 0.3865]], {"stroke": "red"}], [[[90, 0.38668], [90, 0.38932]], {"stroke": "red"}], [[[89.3, 0.388], [90.7, 0.388]], {"stroke": "red"}], [[[91, 0.38758000000000004], [91, 0.39022]], {"stroke": "red"}], [[[90.3, 0.3889], [91.7, 0.3889]], {"stroke": "red"}], [[[92, 0.39688], [92, 0.39952]], {"stroke": "red"}], [[[91.3, 0.3982], [92.7, 0.3982]], {"stroke": "red"}], [[[93, 0.41368], [93, 0.41631999999999997]], {"stroke": "red"}], [[[92.3, 0.415], [93.7, 0.415]], {"stroke": "red"}], [[[94, 0.38978], [94, 0.39242]], {"stroke": "red"}], [[[93.3, 0.3911], [94.7, 0.3911]], {"stroke": "red"}], [[[95, 0.39108000000000004], [95, 0.39372]], {"stroke": "red"}], [[[94.3, 0.3924], [95.7, 0.3924]], {"stroke": "red"}], [[[96, 0.38758000000000004], [96, 0.39022]], {"stroke": "red"}], [[[95.3, 0.3889], [96.7, 0.3889]], {"stroke": "red"}], [[[97, 0.38548], [97, 0.38811999999999997]], {"stroke": "red"}], [[[96.3, 0.3868], [97.7, 0.3868]], {"stroke": "red"}], [[[98, 0.40488], [98, 0.40752]], {"stroke": "red"}], [[[97.3, 0.4062], [98.7, 0.4062]], {"stroke": "red"}], [[[99, 0.37938], [99, 0.38201999999999997]], {"stroke": "red"}], [[[98.3, 0.3807], [99.7, 0.3807]], {"stroke": "red"}], [[[100, 0.40158], [100, 0.40421999999999997]], {"stroke": "red"}], [[[99.3, 0.4029], [100.7, 0.4029]], {"stroke": "red"}]]}
Déduire de ce graphique une valeur approchée de la taille \( N \) des échantillons puis choisir
la valeur exacte la plus proche parmis les choix suivant.