On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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[[[21.3, 0.3907], [22.7, 0.3907]], {"stroke": "red"}], [[[23, 0.373768], [23, 0.376232]], {"stroke": "red"}], [[[22.3, 0.375], [23.7, 0.375]], {"stroke": "red"}], [[[24, 0.405068], [24, 0.407532]], {"stroke": "red"}], [[[23.3, 0.4063], [24.7, 0.4063]], {"stroke": "red"}], [[[25, 0.399068], [25, 0.401532]], {"stroke": "red"}], [[[24.3, 0.4003], [25.7, 0.4003]], {"stroke": "red"}], [[[26, 0.426768], [26, 0.429232]], {"stroke": "red"}], [[[25.3, 0.428], [26.7, 0.428]], {"stroke": "red"}], [[[27, 0.450768], [27, 0.453232]], {"stroke": "red"}], [[[26.3, 0.452], [27.7, 0.452]], {"stroke": "red"}], [[[28, 0.441368], [28, 0.443832]], {"stroke": "red"}], [[[27.3, 0.4426], [28.7, 0.4426]], {"stroke": "red"}], [[[29, 0.399568], [29, 0.402032]], {"stroke": "red"}], [[[28.3, 0.4008], [29.7, 0.4008]], {"stroke": "red"}], [[[30, 0.441768], [30, 0.444232]], {"stroke": "red"}], [[[29.3, 0.443], [30.7, 0.443]], {"stroke": "red"}], [[[31, 0.413568], [31, 0.416032]], {"stroke": "red"}], [[[30.3, 0.4148], [31.7, 0.4148]], {"stroke": "red"}], [[[32, 0.404368], [32, 0.406832]], {"stroke": "red"}], [[[31.3, 0.4056], [32.7, 0.4056]], {"stroke": "red"}], [[[33, 0.380468], [33, 0.382932]], {"stroke": "red"}], [[[32.3, 0.3817], [33.7, 0.3817]], {"stroke": "red"}], [[[34, 0.428068], [34, 0.430532]], {"stroke": "red"}], [[[33.3, 0.4293], [34.7, 0.4293]], {"stroke": "red"}], [[[35, 0.434168], [35, 0.436632]], {"stroke": "red"}], [[[34.3, 0.4354], [35.7, 0.4354]], {"stroke": "red"}], [[[36, 0.429568], [36, 0.432032]], {"stroke": "red"}], [[[35.3, 0.4308], [36.7, 0.4308]], {"stroke": "red"}], [[[37, 0.442368], [37, 0.444832]], {"stroke": "red"}], [[[36.3, 0.4436], [37.7, 0.4436]], {"stroke": "red"}], [[[38, 0.413068], [38, 0.415532]], {"stroke": "red"}], [[[37.3, 0.4143], [38.7, 0.4143]], {"stroke": "red"}], [[[39, 0.462868], [39, 0.465332]], {"stroke": "red"}], [[[38.3, 0.4641], [39.7, 0.4641]], {"stroke": "red"}], [[[40, 0.379768], [40, 0.382232]], {"stroke": "red"}], [[[39.3, 0.381], [40.7, 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0.42343200000000003]], {"stroke": "red"}], [[[66.3, 0.4222], [67.7, 0.4222]], {"stroke": "red"}], [[[68, 0.408868], [68, 0.41133200000000003]], {"stroke": "red"}], [[[67.3, 0.4101], [68.7, 0.4101]], {"stroke": "red"}], [[[69, 0.415468], [69, 0.417932]], {"stroke": "red"}], [[[68.3, 0.4167], [69.7, 0.4167]], {"stroke": "red"}], [[[70, 0.437268], [70, 0.439732]], {"stroke": "red"}], [[[69.3, 0.4385], [70.7, 0.4385]], {"stroke": "red"}], [[[71, 0.45616799999999996], [71, 0.458632]], {"stroke": "red"}], [[[70.3, 0.4574], [71.7, 0.4574]], {"stroke": "red"}], [[[72, 0.373768], [72, 0.376232]], {"stroke": "red"}], [[[71.3, 0.375], [72.7, 0.375]], {"stroke": "red"}], [[[73, 0.416168], [73, 0.418632]], {"stroke": "red"}], [[[72.3, 0.4174], [73.7, 0.4174]], {"stroke": "red"}], [[[74, 0.42186799999999997], [74, 0.424332]], {"stroke": "red"}], [[[73.3, 0.4231], [74.7, 0.4231]], {"stroke": "red"}], [[[75, 0.430068], [75, 0.432532]], {"stroke": "red"}], [[[74.3, 0.4313], [75.7, 0.4313]], {"stroke": "red"}], [[[76, 0.416568], [76, 0.419032]], {"stroke": "red"}], [[[75.3, 0.4178], [76.7, 0.4178]], {"stroke": "red"}], [[[77, 0.401768], [77, 0.40423200000000004]], {"stroke": "red"}], [[[76.3, 0.403], [77.7, 0.403]], {"stroke": "red"}], [[[78, 0.431768], [78, 0.434232]], {"stroke": "red"}], [[[77.3, 0.433], [78.7, 0.433]], {"stroke": "red"}], [[[79, 0.441068], [79, 0.44353200000000004]], {"stroke": "red"}], [[[78.3, 0.4423], [79.7, 0.4423]], {"stroke": "red"}], [[[80, 0.432868], [80, 0.435332]], {"stroke": "red"}], [[[79.3, 0.4341], [80.7, 0.4341]], {"stroke": "red"}], [[[81, 0.425068], [81, 0.427532]], {"stroke": "red"}], [[[80.3, 0.4263], [81.7, 0.4263]], {"stroke": "red"}], [[[82, 0.40876799999999996], [82, 0.411232]], {"stroke": "red"}], [[[81.3, 0.41], [82.7, 0.41]], {"stroke": "red"}], [[[83, 0.40926799999999997], [83, 0.411732]], {"stroke": "red"}], [[[82.3, 0.4105], [83.7, 0.4105]], {"stroke": "red"}], [[[84, 0.412568], [84, 0.415032]], {"stroke": "red"}], [[[83.3, 0.4138], 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[93, 0.426132]], {"stroke": "red"}], [[[92.3, 0.4249], [93.7, 0.4249]], {"stroke": "red"}], [[[94, 0.426568], [94, 0.429032]], {"stroke": "red"}], [[[93.3, 0.4278], [94.7, 0.4278]], {"stroke": "red"}], [[[95, 0.373768], [95, 0.376232]], {"stroke": "red"}], [[[94.3, 0.375], [95.7, 0.375]], {"stroke": "red"}], [[[96, 0.419768], [96, 0.422232]], {"stroke": "red"}], [[[95.3, 0.421], [96.7, 0.421]], {"stroke": "red"}], [[[97, 0.409168], [97, 0.411632]], {"stroke": "red"}], [[[96.3, 0.4104], [97.7, 0.4104]], {"stroke": "red"}], [[[98, 0.425268], [98, 0.427732]], {"stroke": "red"}], [[[97.3, 0.4265], [98.7, 0.4265]], {"stroke": "red"}], [[[99, 0.41426799999999997], [99, 0.416732]], {"stroke": "red"}], [[[98.3, 0.4155], [99.7, 0.4155]], {"stroke": "red"}], [[[100, 0.444368], [100, 0.446832]], {"stroke": "red"}], [[[99.3, 0.4456], [100.7, 0.4456]], {"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.