On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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[23.7, 0.4082]], {"stroke": "red"}], [[[24, 0.40672], [24, 0.40848]], {"stroke": "red"}], [[[23.3, 0.4076], [24.7, 0.4076]], {"stroke": "red"}], [[[25, 0.36582000000000003], [25, 0.36758]], {"stroke": "red"}], [[[24.3, 0.3667], [25.7, 0.3667]], {"stroke": "red"}], [[[26, 0.40622], [26, 0.40798]], {"stroke": "red"}], [[[25.3, 0.4071], [26.7, 0.4071]], {"stroke": "red"}], [[[27, 0.40792], [27, 0.40968]], {"stroke": "red"}], [[[26.3, 0.4088], [27.7, 0.4088]], {"stroke": "red"}], [[[28, 0.37922], [28, 0.38098]], {"stroke": "red"}], [[[27.3, 0.3801], [28.7, 0.3801]], {"stroke": "red"}], [[[29, 0.38052], [29, 0.38228]], {"stroke": "red"}], [[[28.3, 0.3814], [29.7, 0.3814]], {"stroke": "red"}], [[[30, 0.38402000000000003], [30, 0.38578]], {"stroke": "red"}], [[[29.3, 0.3849], [30.7, 0.3849]], {"stroke": "red"}], [[[31, 0.40382], [31, 0.40558]], {"stroke": "red"}], [[[30.3, 0.4047], [31.7, 0.4047]], {"stroke": "red"}], [[[32, 0.40582], [32, 0.40758]], {"stroke": "red"}], [[[31.3, 0.4067], 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0.38978]], {"stroke": "red"}], [[[85.3, 0.3889], [86.7, 0.3889]], {"stroke": "red"}], [[[87, 0.38922], [87, 0.39098]], {"stroke": "red"}], [[[86.3, 0.3901], [87.7, 0.3901]], {"stroke": "red"}], [[[88, 0.39352], [88, 0.39527999999999996]], {"stroke": "red"}], [[[87.3, 0.3944], [88.7, 0.3944]], {"stroke": "red"}], [[[89, 0.39842], [89, 0.40018]], {"stroke": "red"}], [[[88.3, 0.3993], [89.7, 0.3993]], {"stroke": "red"}], [[[90, 0.40322], [90, 0.40498]], {"stroke": "red"}], [[[89.3, 0.4041], [90.7, 0.4041]], {"stroke": "red"}], [[[91, 0.40652], [91, 0.40828]], {"stroke": "red"}], [[[90.3, 0.4074], [91.7, 0.4074]], {"stroke": "red"}], [[[92, 0.39282], [92, 0.39458]], {"stroke": "red"}], [[[91.3, 0.3937], [92.7, 0.3937]], {"stroke": "red"}], [[[93, 0.36412], [93, 0.36588]], {"stroke": "red"}], [[[92.3, 0.365], [93.7, 0.365]], {"stroke": "red"}], [[[94, 0.39082], [94, 0.39258]], {"stroke": "red"}], [[[93.3, 0.3917], [94.7, 0.3917]], {"stroke": "red"}], [[[95, 0.38742], [95, 0.38917999999999997]], {"stroke": "red"}], [[[94.3, 0.3883], [95.7, 0.3883]], {"stroke": "red"}], [[[96, 0.38992], [96, 0.39168]], {"stroke": "red"}], [[[95.3, 0.3908], [96.7, 0.3908]], {"stroke": "red"}], [[[97, 0.38452000000000003], [97, 0.38628]], {"stroke": "red"}], [[[96.3, 0.3854], [97.7, 0.3854]], {"stroke": "red"}], [[[98, 0.38472], [98, 0.38648]], {"stroke": "red"}], [[[97.3, 0.3856], [98.7, 0.3856]], {"stroke": "red"}], [[[99, 0.36992], [99, 0.37168]], {"stroke": "red"}], [[[98.3, 0.3708], [99.7, 0.3708]], {"stroke": "red"}], [[[100, 0.37182], [100, 0.37357999999999997]], {"stroke": "red"}], [[[99.3, 0.3727], [100.7, 0.3727]], {"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.