On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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"red"}], [[[97, 0.566744], [97, 0.5688559999999999]], {"stroke": "red"}], [[[96.3, 0.5678], [97.7, 0.5678]], {"stroke": "red"}], [[[98, 0.5631440000000001], [98, 0.565256]], {"stroke": "red"}], [[[97.3, 0.5642], [98.7, 0.5642]], {"stroke": "red"}], [[[99, 0.5593440000000001], [99, 0.561456]], {"stroke": "red"}], [[[98.3, 0.5604], [99.7, 0.5604]], {"stroke": "red"}], [[[100, 0.564744], [100, 0.5668559999999999]], {"stroke": "red"}], [[[99.3, 0.5658], [100.7, 0.5658]], {"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.