On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \)
échantillons.
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0.40809999999999996], {"subtype": "segment", "stroke": "red"}], [[60.3, 0.407], [61.7, 0.407], {"subtype": "segment", "stroke": "red"}], [[62.0, 0.4098], [62.0, 0.412], {"subtype": "segment", "stroke": "red"}], [[61.3, 0.4109], [62.7, 0.4109], {"subtype": "segment", "stroke": "red"}], [[63.0, 0.38780000000000003], [63.0, 0.39], {"subtype": "segment", "stroke": "red"}], [[62.3, 0.3889], [63.7, 0.3889], {"subtype": "segment", "stroke": "red"}], [[64.0, 0.3963], [64.0, 0.39849999999999997], {"subtype": "segment", "stroke": "red"}], [[63.3, 0.3974], [64.7, 0.3974], {"subtype": "segment", "stroke": "red"}], [[65.0, 0.40750000000000003], [65.0, 0.4097], {"subtype": "segment", "stroke": "red"}], [[64.3, 0.4086], [65.7, 0.4086], {"subtype": "segment", "stroke": "red"}], [[66.0, 0.3865], [66.0, 0.3887], {"subtype": "segment", "stroke": "red"}], [[65.3, 0.3876], [66.7, 0.3876], {"subtype": "segment", "stroke": "red"}], [[67.0, 0.3773], [67.0, 0.3795], {"subtype": "segment", "stroke": "red"}], [[66.3, 0.3784], [67.7, 0.3784], {"subtype": "segment", "stroke": "red"}], [[68.0, 0.3936], [68.0, 0.3958], {"subtype": "segment", "stroke": "red"}], [[67.3, 0.3947], [68.7, 0.3947], {"subtype": "segment", "stroke": "red"}], [[69.0, 0.3811], [69.0, 0.3833], {"subtype": "segment", "stroke": "red"}], [[68.3, 0.3822], [69.7, 0.3822], {"subtype": "segment", "stroke": "red"}], [[70.0, 0.3927], [70.0, 0.3949], {"subtype": "segment", "stroke": "red"}], [[69.3, 0.3938], [70.7, 0.3938], {"subtype": "segment", "stroke": "red"}], [[71.0, 0.39490000000000003], [71.0, 0.3971], {"subtype": "segment", "stroke": "red"}], [[70.3, 0.396], [71.7, 0.396], {"subtype": "segment", "stroke": "red"}], [[72.0, 0.3775], [72.0, 0.3797], {"subtype": "segment", "stroke": "red"}], [[71.3, 0.3786], [72.7, 0.3786], {"subtype": "segment", "stroke": "red"}], [[73.0, 0.3945], [73.0, 0.3967], {"subtype": "segment", "stroke": "red"}], [[72.3, 0.3956], [73.7, 0.3956], {"subtype": "segment", "stroke": "red"}], [[74.0, 0.3865], [74.0, 0.3887], {"subtype": "segment", "stroke": "red"}], [[73.3, 0.3876], [74.7, 0.3876], {"subtype": "segment", "stroke": "red"}], [[75.0, 0.39], [75.0, 0.3922], {"subtype": "segment", "stroke": "red"}], [[74.3, 0.3911], [75.7, 0.3911], {"subtype": "segment", "stroke": "red"}], [[76.0, 0.39740000000000003], [76.0, 0.3996], {"subtype": "segment", "stroke": "red"}], [[75.3, 0.3985], [76.7, 0.3985], {"subtype": "segment", "stroke": "red"}], [[77.0, 0.40140000000000003], [77.0, 0.4036], {"subtype": "segment", "stroke": "red"}], [[76.3, 0.4025], [77.7, 0.4025], {"subtype": "segment", "stroke": "red"}], [[78.0, 0.3982], [78.0, 0.4004], {"subtype": "segment", "stroke": "red"}], [[77.3, 0.3993], [78.7, 0.3993], {"subtype": "segment", "stroke": "red"}], [[79.0, 0.4101], [79.0, 0.4123], {"subtype": "segment", "stroke": "red"}], [[78.3, 0.4112], [79.7, 0.4112], {"subtype": "segment", "stroke": "red"}], [[80.0, 0.3957], [80.0, 0.3979], {"subtype": "segment", "stroke": "red"}], [[79.3, 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0.3915], [100.0, 0.3937], {"subtype": "segment", "stroke": "red"}], [[99.3, 0.3926], [100.7, 0.3926], {"subtype": "segment", "stroke": "red"}]]}
Déduire de ce graphique une valeur approchée de la taille \( N \) des échantillons puis choisir
la valeur exacte la plus proche parmi les choix suivants.