On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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{"stroke": "red"}], [[[23, 0.33164], [23, 0.33515999999999996]], {"stroke": "red"}], [[[22.3, 0.3334], [23.7, 0.3334]], {"stroke": "red"}], [[[24, 0.32414000000000004], [24, 0.32766]], {"stroke": "red"}], [[[23.3, 0.3259], [24.7, 0.3259]], {"stroke": "red"}], [[[25, 0.34374], [25, 0.34725999999999996]], {"stroke": "red"}], [[[24.3, 0.3455], [25.7, 0.3455]], {"stroke": "red"}], [[[26, 0.33064], [26, 0.33415999999999996]], {"stroke": "red"}], [[[25.3, 0.3324], [26.7, 0.3324]], {"stroke": "red"}], [[[27, 0.33644], [27, 0.33996]], {"stroke": "red"}], [[[26.3, 0.3382], [27.7, 0.3382]], {"stroke": "red"}], [[[28, 0.31604000000000004], [28, 0.31956]], {"stroke": "red"}], [[[27.3, 0.3178], [28.7, 0.3178]], {"stroke": "red"}], [[[29, 0.32664000000000004], [29, 0.33016]], {"stroke": "red"}], [[[28.3, 0.3284], [29.7, 0.3284]], {"stroke": "red"}], [[[30, 0.33274000000000004], [30, 0.33626]], {"stroke": "red"}], [[[29.3, 0.3345], [30.7, 0.3345]], {"stroke": "red"}], [[[31, 0.32524000000000003], 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"red"}], [[[91.3, 0.3322], [92.7, 0.3322]], {"stroke": "red"}], [[[93, 0.34234000000000003], [93, 0.34586]], {"stroke": "red"}], [[[92.3, 0.3441], [93.7, 0.3441]], {"stroke": "red"}], [[[94, 0.32964], [94, 0.33315999999999996]], {"stroke": "red"}], [[[93.3, 0.3314], [94.7, 0.3314]], {"stroke": "red"}], [[[95, 0.32934], [95, 0.33286]], {"stroke": "red"}], [[[94.3, 0.3311], [95.7, 0.3311]], {"stroke": "red"}], [[[96, 0.32404], [96, 0.32755999999999996]], {"stroke": "red"}], [[[95.3, 0.3258], [96.7, 0.3258]], {"stroke": "red"}], [[[97, 0.33004], [97, 0.33355999999999997]], {"stroke": "red"}], [[[96.3, 0.3318], [97.7, 0.3318]], {"stroke": "red"}], [[[98, 0.32174], [98, 0.32526]], {"stroke": "red"}], [[[97.3, 0.3235], [98.7, 0.3235]], {"stroke": "red"}], [[[99, 0.33004], [99, 0.33355999999999997]], {"stroke": "red"}], [[[98.3, 0.3318], [99.7, 0.3318]], {"stroke": "red"}], [[[100, 0.31984], [100, 0.32336]], {"stroke": "red"}], [[[99.3, 0.3216], [100.7, 0.3216]], {"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.