On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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"red"}], [[[14, 0.288528], [14, 0.291872]], {"stroke": "red"}], [[[13.3, 0.2902], [14.7, 0.2902]], {"stroke": "red"}], [[[15, 0.309828], [15, 0.313172]], {"stroke": "red"}], [[[14.3, 0.3115], [15.7, 0.3115]], {"stroke": "red"}], [[[16, 0.310428], [16, 0.313772]], {"stroke": "red"}], [[[15.3, 0.3121], [16.7, 0.3121]], {"stroke": "red"}], [[[17, 0.308128], [17, 0.311472]], {"stroke": "red"}], [[[16.3, 0.3098], [17.7, 0.3098]], {"stroke": "red"}], [[[18, 0.353328], [18, 0.356672]], {"stroke": "red"}], [[[17.3, 0.355], [18.7, 0.355]], {"stroke": "red"}], [[[19, 0.306428], [19, 0.309772]], {"stroke": "red"}], [[[18.3, 0.3081], [19.7, 0.3081]], {"stroke": "red"}], [[[20, 0.270928], [20, 0.274272]], {"stroke": "red"}], [[[19.3, 0.2726], [20.7, 0.2726]], {"stroke": "red"}], [[[21, 0.29742799999999997], [21, 0.300772]], {"stroke": "red"}], [[[20.3, 0.2991], [21.7, 0.2991]], {"stroke": "red"}], [[[22, 0.336028], [22, 0.339372]], {"stroke": "red"}], [[[21.3, 0.3377], [22.7, 0.3377]], {"stroke": "red"}], [[[23, 0.313928], [23, 0.317272]], {"stroke": "red"}], [[[22.3, 0.3156], [23.7, 0.3156]], {"stroke": "red"}], [[[24, 0.33222799999999997], [24, 0.335572]], {"stroke": "red"}], [[[23.3, 0.3339], [24.7, 0.3339]], {"stroke": "red"}], [[[25, 0.286728], [25, 0.290072]], {"stroke": "red"}], [[[24.3, 0.2884], [25.7, 0.2884]], {"stroke": "red"}], [[[26, 0.306928], [26, 0.310272]], {"stroke": "red"}], [[[25.3, 0.3086], [26.7, 0.3086]], {"stroke": "red"}], [[[27, 0.289128], [27, 0.292472]], {"stroke": "red"}], [[[26.3, 0.2908], [27.7, 0.2908]], {"stroke": "red"}], [[[28, 0.273128], [28, 0.276472]], {"stroke": "red"}], [[[27.3, 0.2748], [28.7, 0.2748]], {"stroke": "red"}], [[[29, 0.286028], [29, 0.289372]], {"stroke": "red"}], [[[28.3, 0.2877], [29.7, 0.2877]], {"stroke": "red"}], [[[30, 0.299928], [30, 0.303272]], {"stroke": "red"}], [[[29.3, 0.3016], [30.7, 0.3016]], {"stroke": "red"}], [[[31, 0.311128], [31, 0.31447200000000003]], {"stroke": "red"}], [[[30.3, 0.3128], [31.7, 0.3128]], 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[[[85, 0.28132799999999997], [85, 0.284672]], {"stroke": "red"}], [[[84.3, 0.283], [85.7, 0.283]], {"stroke": "red"}], [[[86, 0.337928], [86, 0.341272]], {"stroke": "red"}], [[[85.3, 0.3396], [86.7, 0.3396]], {"stroke": "red"}], [[[87, 0.305128], [87, 0.308472]], {"stroke": "red"}], [[[86.3, 0.3068], [87.7, 0.3068]], {"stroke": "red"}], [[[88, 0.336528], [88, 0.339872]], {"stroke": "red"}], [[[87.3, 0.3382], [88.7, 0.3382]], {"stroke": "red"}], [[[89, 0.315828], [89, 0.319172]], {"stroke": "red"}], [[[88.3, 0.3175], [89.7, 0.3175]], {"stroke": "red"}], [[[90, 0.303028], [90, 0.30637200000000003]], {"stroke": "red"}], [[[89.3, 0.3047], [90.7, 0.3047]], {"stroke": "red"}], [[[91, 0.326228], [91, 0.32957200000000003]], {"stroke": "red"}], [[[90.3, 0.3279], [91.7, 0.3279]], {"stroke": "red"}], [[[92, 0.302628], [92, 0.305972]], {"stroke": "red"}], [[[91.3, 0.3043], [92.7, 0.3043]], {"stroke": "red"}], [[[93, 0.321228], [93, 0.324572]], {"stroke": "red"}], [[[92.3, 0.3229], [93.7, 0.3229]], {"stroke": "red"}], [[[94, 0.324728], [94, 0.32807200000000003]], {"stroke": "red"}], [[[93.3, 0.3264], [94.7, 0.3264]], {"stroke": "red"}], [[[95, 0.348928], [95, 0.35227200000000003]], {"stroke": "red"}], [[[94.3, 0.3506], [95.7, 0.3506]], {"stroke": "red"}], [[[96, 0.299228], [96, 0.302572]], {"stroke": "red"}], [[[95.3, 0.3009], [96.7, 0.3009]], {"stroke": "red"}], [[[97, 0.311428], [97, 0.314772]], {"stroke": "red"}], [[[96.3, 0.3131], [97.7, 0.3131]], {"stroke": "red"}], [[[98, 0.319428], [98, 0.322772]], {"stroke": "red"}], [[[97.3, 0.3211], [98.7, 0.3211]], {"stroke": "red"}], [[[99, 0.340128], [99, 0.343472]], {"stroke": "red"}], [[[98.3, 0.3418], [99.7, 0.3418]], {"stroke": "red"}], [[[100, 0.31812799999999997], [100, 0.321472]], {"stroke": "red"}], [[[99.3, 0.3198], [100.7, 0.3198]], {"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.