On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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0.67188]], {"stroke": "red"}], [[[94.3, 0.6699], [95.7, 0.6699]], {"stroke": "red"}], [[[96, 0.71442], [96, 0.71838]], {"stroke": "red"}], [[[95.3, 0.7164], [96.7, 0.7164]], {"stroke": "red"}], [[[97, 0.70652], [97, 0.71048]], {"stroke": "red"}], [[[96.3, 0.7085], [97.7, 0.7085]], {"stroke": "red"}], [[[98, 0.71492], [98, 0.71888]], {"stroke": "red"}], [[[97.3, 0.7169], [98.7, 0.7169]], {"stroke": "red"}], [[[99, 0.72002], [99, 0.72398]], {"stroke": "red"}], [[[98.3, 0.722], [99.7, 0.722]], {"stroke": "red"}], [[[100, 0.66642], [100, 0.67038]], {"stroke": "red"}], [[[99.3, 0.6684], [100.7, 0.6684]], {"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.