On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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"red"}], [[[13.3, 0.3694], [14.7, 0.3694]], {"stroke": "red"}], [[[15, 0.39436], [15, 0.39743999999999996]], {"stroke": "red"}], [[[14.3, 0.3959], [15.7, 0.3959]], {"stroke": "red"}], [[[16, 0.40386], [16, 0.40693999999999997]], {"stroke": "red"}], [[[15.3, 0.4054], [16.7, 0.4054]], {"stroke": "red"}], [[[17, 0.37876000000000004], [17, 0.38184]], {"stroke": "red"}], [[[16.3, 0.3803], [17.7, 0.3803]], {"stroke": "red"}], [[[18, 0.38446], [18, 0.38754]], {"stroke": "red"}], [[[17.3, 0.386], [18.7, 0.386]], {"stroke": "red"}], [[[19, 0.39676], [19, 0.39984]], {"stroke": "red"}], [[[18.3, 0.3983], [19.7, 0.3983]], {"stroke": "red"}], [[[20, 0.38166], [20, 0.38473999999999997]], {"stroke": "red"}], [[[19.3, 0.3832], [20.7, 0.3832]], {"stroke": "red"}], [[[21, 0.36476000000000003], [21, 0.36784]], {"stroke": "red"}], [[[20.3, 0.3663], [21.7, 0.3663]], {"stroke": "red"}], [[[22, 0.41086], [22, 0.41394]], {"stroke": "red"}], [[[21.3, 0.4124], [22.7, 0.4124]], {"stroke": "red"}], [[[23, 0.40076], [23, 0.40384]], {"stroke": "red"}], [[[22.3, 0.4023], [23.7, 0.4023]], {"stroke": "red"}], [[[24, 0.41806], [24, 0.42113999999999996]], {"stroke": "red"}], [[[23.3, 0.4196], [24.7, 0.4196]], {"stroke": "red"}], [[[25, 0.38686000000000004], [25, 0.38994]], {"stroke": "red"}], [[[24.3, 0.3884], [25.7, 0.3884]], {"stroke": "red"}], [[[26, 0.39716], [26, 0.40024]], {"stroke": "red"}], [[[25.3, 0.3987], [26.7, 0.3987]], {"stroke": "red"}], [[[27, 0.35966000000000004], [27, 0.36274]], {"stroke": "red"}], [[[26.3, 0.3612], [27.7, 0.3612]], {"stroke": "red"}], [[[28, 0.38816], [28, 0.39124]], {"stroke": "red"}], [[[27.3, 0.3897], [28.7, 0.3897]], {"stroke": "red"}], [[[29, 0.39816], [29, 0.40124]], {"stroke": "red"}], [[[28.3, 0.3997], [29.7, 0.3997]], {"stroke": "red"}], [[[30, 0.39416], [30, 0.39724]], {"stroke": "red"}], [[[29.3, 0.3957], [30.7, 0.3957]], {"stroke": "red"}], [[[31, 0.36306], [31, 0.36613999999999997]], {"stroke": "red"}], [[[30.3, 0.3646], [31.7, 0.3646]], {"stroke": "red"}], [[[32, 0.38566], [32, 0.38874]], {"stroke": "red"}], [[[31.3, 0.3872], [32.7, 0.3872]], {"stroke": "red"}], [[[33, 0.39426], [33, 0.39733999999999997]], {"stroke": "red"}], [[[32.3, 0.3958], [33.7, 0.3958]], {"stroke": "red"}], [[[34, 0.41866000000000003], [34, 0.42174]], {"stroke": "red"}], [[[33.3, 0.4202], [34.7, 0.4202]], {"stroke": "red"}], [[[35, 0.39666], [35, 0.39974]], {"stroke": "red"}], [[[34.3, 0.3982], [35.7, 0.3982]], {"stroke": "red"}], [[[36, 0.42366000000000004], [36, 0.42674]], {"stroke": "red"}], [[[35.3, 0.4252], [36.7, 0.4252]], {"stroke": "red"}], [[[37, 0.42276], [37, 0.42584]], {"stroke": "red"}], [[[36.3, 0.4243], [37.7, 0.4243]], {"stroke": "red"}], [[[38, 0.41016], [38, 0.41324]], {"stroke": "red"}], [[[37.3, 0.4117], [38.7, 0.4117]], {"stroke": "red"}], [[[39, 0.40176], [39, 0.40484]], {"stroke": "red"}], [[[38.3, 0.4033], [39.7, 0.4033]], {"stroke": "red"}], [[[40, 0.44846], [40, 0.45154]], {"stroke": "red"}], [[[39.3, 0.45], [40.7, 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{"stroke": "red"}], [[[92.3, 0.419], [93.7, 0.419]], {"stroke": "red"}], [[[94, 0.41136], [94, 0.41444]], {"stroke": "red"}], [[[93.3, 0.4129], [94.7, 0.4129]], {"stroke": "red"}], [[[95, 0.39536], [95, 0.39843999999999996]], {"stroke": "red"}], [[[94.3, 0.3969], [95.7, 0.3969]], {"stroke": "red"}], [[[96, 0.39766], [96, 0.40074]], {"stroke": "red"}], [[[95.3, 0.3992], [96.7, 0.3992]], {"stroke": "red"}], [[[97, 0.40776], [97, 0.41084]], {"stroke": "red"}], [[[96.3, 0.4093], [97.7, 0.4093]], {"stroke": "red"}], [[[98, 0.41196], [98, 0.41503999999999996]], {"stroke": "red"}], [[[97.3, 0.4135], [98.7, 0.4135]], {"stroke": "red"}], [[[99, 0.41726], [99, 0.42034]], {"stroke": "red"}], [[[98.3, 0.4188], [99.7, 0.4188]], {"stroke": "red"}], [[[100, 0.38726], [100, 0.39033999999999996]], {"stroke": "red"}], [[[99.3, 0.3888], [100.7, 0.3888]], {"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.