On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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[[[96.3, 0.4212], [97.7, 0.4212]], {"stroke": "red"}], [[[98, 0.407756], [98, 0.41004399999999996]], {"stroke": "red"}], [[[97.3, 0.4089], [98.7, 0.4089]], {"stroke": "red"}], [[[99, 0.40905600000000003], [99, 0.411344]], {"stroke": "red"}], [[[98.3, 0.4102], [99.7, 0.4102]], {"stroke": "red"}], [[[100, 0.380456], [100, 0.382744]], {"stroke": "red"}], [[[99.3, 0.3816], [100.7, 0.3816]], {"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.