On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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0.39888399999999996]], {"stroke": "red"}], [[[21.3, 0.3973], [22.7, 0.3973]], {"stroke": "red"}], [[[23, 0.34091600000000005], [23, 0.344084]], {"stroke": "red"}], [[[22.3, 0.3425], [23.7, 0.3425]], {"stroke": "red"}], [[[24, 0.344916], [24, 0.34808399999999995]], {"stroke": "red"}], [[[23.3, 0.3465], [24.7, 0.3465]], {"stroke": "red"}], [[[25, 0.39541600000000005], [25, 0.398584]], {"stroke": "red"}], [[[24.3, 0.397], [25.7, 0.397]], {"stroke": "red"}], [[[26, 0.367016], [26, 0.37018399999999996]], {"stroke": "red"}], [[[25.3, 0.3686], [26.7, 0.3686]], {"stroke": "red"}], [[[27, 0.375116], [27, 0.37828399999999995]], {"stroke": "red"}], [[[26.3, 0.3767], [27.7, 0.3767]], {"stroke": "red"}], [[[28, 0.359416], [28, 0.36258399999999996]], {"stroke": "red"}], [[[27.3, 0.361], [28.7, 0.361]], {"stroke": "red"}], [[[29, 0.398316], [29, 0.40148399999999995]], {"stroke": "red"}], [[[28.3, 0.3999], [29.7, 0.3999]], {"stroke": "red"}], [[[30, 0.40261600000000003], [30, 0.405784]], {"stroke": 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{"stroke": "red"}], [[[97, 0.408416], [97, 0.41158399999999995]], {"stroke": "red"}], [[[96.3, 0.41], [97.7, 0.41]], {"stroke": "red"}], [[[98, 0.35211600000000004], [98, 0.355284]], {"stroke": "red"}], [[[97.3, 0.3537], [98.7, 0.3537]], {"stroke": "red"}], [[[99, 0.344716], [99, 0.34788399999999997]], {"stroke": "red"}], [[[98.3, 0.3463], [99.7, 0.3463]], {"stroke": "red"}], [[[100, 0.360916], [100, 0.36408399999999996]], {"stroke": "red"}], [[[99.3, 0.3625], [100.7, 0.3625]], {"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.