On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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[[[96, 0.379516], [96, 0.38268399999999997]], {"stroke": "red"}], [[[95.3, 0.3811], [96.7, 0.3811]], {"stroke": "red"}], [[[97, 0.38931600000000005], [97, 0.392484]], {"stroke": "red"}], [[[96.3, 0.3909], [97.7, 0.3909]], {"stroke": "red"}], [[[98, 0.381616], [98, 0.38478399999999996]], {"stroke": "red"}], [[[97.3, 0.3832], [98.7, 0.3832]], {"stroke": "red"}], [[[99, 0.393116], [99, 0.39628399999999997]], {"stroke": "red"}], [[[98.3, 0.3947], [99.7, 0.3947]], {"stroke": "red"}], [[[100, 0.359316], [100, 0.362484]], {"stroke": "red"}], [[[99.3, 0.3609], [100.7, 0.3609]], {"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.