On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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[[[93.3, 0.4957], [94.7, 0.4957]], {"stroke": "red"}], [[[95, 0.53824], [95, 0.54176]], {"stroke": "red"}], [[[94.3, 0.54], [95.7, 0.54]], {"stroke": "red"}], [[[96, 0.48474], [96, 0.48825999999999997]], {"stroke": "red"}], [[[95.3, 0.4865], [96.7, 0.4865]], {"stroke": "red"}], [[[97, 0.52034], [97, 0.52386]], {"stroke": "red"}], [[[96.3, 0.5221], [97.7, 0.5221]], {"stroke": "red"}], [[[98, 0.44214000000000003], [98, 0.44566]], {"stroke": "red"}], [[[97.3, 0.4439], [98.7, 0.4439]], {"stroke": "red"}], [[[99, 0.47844000000000003], [99, 0.48196]], {"stroke": "red"}], [[[98.3, 0.4802], [99.7, 0.4802]], {"stroke": "red"}], [[[100, 0.48464], [100, 0.48816]], {"stroke": "red"}], [[[99.3, 0.4864], [100.7, 0.4864]], {"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.