On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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{"stroke": "red"}], [[[24, 0.71846], [24, 0.72154]], {"stroke": "red"}], [[[23.3, 0.72], [24.7, 0.72]], {"stroke": "red"}], [[[25, 0.63496], [25, 0.6380399999999999]], {"stroke": "red"}], [[[24.3, 0.6365], [25.7, 0.6365]], {"stroke": "red"}], [[[26, 0.65386], [26, 0.65694]], {"stroke": "red"}], [[[25.3, 0.6554], [26.7, 0.6554]], {"stroke": "red"}], [[[27, 0.66916], [27, 0.67224]], {"stroke": "red"}], [[[26.3, 0.6707], [27.7, 0.6707]], {"stroke": "red"}], [[[28, 0.66916], [28, 0.67224]], {"stroke": "red"}], [[[27.3, 0.6707], [28.7, 0.6707]], {"stroke": "red"}], [[[29, 0.65616], [29, 0.6592399999999999]], {"stroke": "red"}], [[[28.3, 0.6577], [29.7, 0.6577]], {"stroke": "red"}], [[[30, 0.67726], [30, 0.68034]], {"stroke": "red"}], [[[29.3, 0.6788], [30.7, 0.6788]], {"stroke": "red"}], [[[31, 0.68666], [31, 0.68974]], {"stroke": "red"}], [[[30.3, 0.6882], [31.7, 0.6882]], {"stroke": "red"}], [[[32, 0.6673600000000001], [32, 0.67044]], {"stroke": "red"}], [[[31.3, 0.6689], [32.7, 0.6689]], 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[[[87, 0.64196], [87, 0.64504]], {"stroke": "red"}], [[[86.3, 0.6435], [87.7, 0.6435]], {"stroke": "red"}], [[[88, 0.68296], [88, 0.68604]], {"stroke": "red"}], [[[87.3, 0.6845], [88.7, 0.6845]], {"stroke": "red"}], [[[89, 0.67676], [89, 0.67984]], {"stroke": "red"}], [[[88.3, 0.6783], [89.7, 0.6783]], {"stroke": "red"}], [[[90, 0.67366], [90, 0.67674]], {"stroke": "red"}], [[[89.3, 0.6752], [90.7, 0.6752]], {"stroke": "red"}], [[[91, 0.68566], [91, 0.68874]], {"stroke": "red"}], [[[90.3, 0.6872], [91.7, 0.6872]], {"stroke": "red"}], [[[92, 0.64096], [92, 0.64404]], {"stroke": "red"}], [[[91.3, 0.6425], [92.7, 0.6425]], {"stroke": "red"}], [[[93, 0.63566], [93, 0.63874]], {"stroke": "red"}], [[[92.3, 0.6372], [93.7, 0.6372]], {"stroke": "red"}], [[[94, 0.68806], [94, 0.69114]], {"stroke": "red"}], [[[93.3, 0.6896], [94.7, 0.6896]], {"stroke": "red"}], [[[95, 0.65906], [95, 0.66214]], {"stroke": "red"}], [[[94.3, 0.6606], [95.7, 0.6606]], {"stroke": "red"}], [[[96, 0.63696], [96, 0.6400399999999999]], {"stroke": "red"}], [[[95.3, 0.6385], [96.7, 0.6385]], {"stroke": "red"}], [[[97, 0.63706], [97, 0.6401399999999999]], {"stroke": "red"}], [[[96.3, 0.6386], [97.7, 0.6386]], {"stroke": "red"}], [[[98, 0.6804600000000001], [98, 0.68354]], {"stroke": "red"}], [[[97.3, 0.682], [98.7, 0.682]], {"stroke": "red"}], [[[99, 0.66726], [99, 0.6703399999999999]], {"stroke": "red"}], [[[98.3, 0.6688], [99.7, 0.6688]], {"stroke": "red"}], [[[100, 0.65396], [100, 0.65704]], {"stroke": "red"}], [[[99.3, 0.6555], [100.7, 0.6555]], {"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.