On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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{"stroke": "red"}], [[[23, 0.54384], [23, 0.54736]], {"stroke": "red"}], [[[22.3, 0.5456], [23.7, 0.5456]], {"stroke": "red"}], [[[24, 0.5482400000000001], [24, 0.55176]], {"stroke": "red"}], [[[23.3, 0.55], [24.7, 0.55]], {"stroke": "red"}], [[[25, 0.49404000000000003], [25, 0.49756]], {"stroke": "red"}], [[[24.3, 0.4958], [25.7, 0.4958]], {"stroke": "red"}], [[[26, 0.53924], [26, 0.54276]], {"stroke": "red"}], [[[25.3, 0.541], [26.7, 0.541]], {"stroke": "red"}], [[[27, 0.48424], [27, 0.48775999999999997]], {"stroke": "red"}], [[[26.3, 0.486], [27.7, 0.486]], {"stroke": "red"}], [[[28, 0.49834], [28, 0.50186]], {"stroke": "red"}], [[[27.3, 0.5001], [28.7, 0.5001]], {"stroke": "red"}], [[[29, 0.50714], [29, 0.51066]], {"stroke": "red"}], [[[28.3, 0.5089], [29.7, 0.5089]], {"stroke": "red"}], [[[30, 0.5089400000000001], [30, 0.51246]], {"stroke": "red"}], [[[29.3, 0.5107], [30.7, 0.5107]], {"stroke": "red"}], [[[31, 0.49914000000000003], [31, 0.50266]], {"stroke": "red"}], [[[30.3, 0.5009], [31.7, 0.5009]], {"stroke": "red"}], [[[32, 0.51164], [32, 0.51516]], {"stroke": "red"}], [[[31.3, 0.5134], [32.7, 0.5134]], {"stroke": "red"}], [[[33, 0.49554000000000004], [33, 0.49906]], {"stroke": "red"}], [[[32.3, 0.4973], [33.7, 0.4973]], {"stroke": "red"}], [[[34, 0.52884], [34, 0.5323599999999999]], {"stroke": "red"}], [[[33.3, 0.5306], [34.7, 0.5306]], {"stroke": "red"}], [[[35, 0.53164], [35, 0.53516]], {"stroke": "red"}], [[[34.3, 0.5334], [35.7, 0.5334]], {"stroke": "red"}], [[[36, 0.51744], [36, 0.52096]], {"stroke": "red"}], [[[35.3, 0.5192], [36.7, 0.5192]], {"stroke": "red"}], [[[37, 0.47904], [37, 0.48256]], {"stroke": "red"}], [[[36.3, 0.4808], [37.7, 0.4808]], {"stroke": "red"}], [[[38, 0.49604000000000004], [38, 0.49956]], {"stroke": "red"}], [[[37.3, 0.4978], [38.7, 0.4978]], {"stroke": "red"}], [[[39, 0.47844000000000003], [39, 0.48196]], {"stroke": "red"}], [[[38.3, 0.4802], [39.7, 0.4802]], {"stroke": "red"}], [[[40, 0.45814], [40, 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[[[65.3, 0.498], [66.7, 0.498]], {"stroke": "red"}], [[[67, 0.51584], [67, 0.5193599999999999]], {"stroke": "red"}], [[[66.3, 0.5176], [67.7, 0.5176]], {"stroke": "red"}], [[[68, 0.49494], [68, 0.49845999999999996]], {"stroke": "red"}], [[[67.3, 0.4967], [68.7, 0.4967]], {"stroke": "red"}], [[[69, 0.48924], [69, 0.49276]], {"stroke": "red"}], [[[68.3, 0.491], [69.7, 0.491]], {"stroke": "red"}], [[[70, 0.48604], [70, 0.48956]], {"stroke": "red"}], [[[69.3, 0.4878], [70.7, 0.4878]], {"stroke": "red"}], [[[71, 0.48604], [71, 0.48956]], {"stroke": "red"}], [[[70.3, 0.4878], [71.7, 0.4878]], {"stroke": "red"}], [[[72, 0.45074000000000003], [72, 0.45426]], {"stroke": "red"}], [[[71.3, 0.4525], [72.7, 0.4525]], {"stroke": "red"}], [[[73, 0.44824], [73, 0.45176]], {"stroke": "red"}], [[[72.3, 0.45], [73.7, 0.45]], {"stroke": "red"}], [[[74, 0.51864], [74, 0.52216]], {"stroke": "red"}], [[[73.3, 0.5204], [74.7, 0.5204]], {"stroke": "red"}], [[[75, 0.49784], [75, 0.50136]], {"stroke": "red"}], [[[74.3, 0.4996], [75.7, 0.4996]], {"stroke": "red"}], [[[76, 0.44974000000000003], [76, 0.45326]], {"stroke": "red"}], [[[75.3, 0.4515], [76.7, 0.4515]], {"stroke": "red"}], [[[77, 0.51274], [77, 0.5162599999999999]], {"stroke": "red"}], [[[76.3, 0.5145], [77.7, 0.5145]], {"stroke": "red"}], [[[78, 0.49534], [78, 0.49885999999999997]], {"stroke": "red"}], [[[77.3, 0.4971], [78.7, 0.4971]], {"stroke": "red"}], [[[79, 0.48754000000000003], [79, 0.49106]], {"stroke": "red"}], [[[78.3, 0.4893], [79.7, 0.4893]], {"stroke": "red"}], [[[80, 0.50534], [80, 0.50886]], {"stroke": "red"}], [[[79.3, 0.5071], [80.7, 0.5071]], {"stroke": "red"}], [[[81, 0.49814], [81, 0.50166]], {"stroke": "red"}], [[[80.3, 0.4999], [81.7, 0.4999]], {"stroke": "red"}], [[[82, 0.50344], [82, 0.50696]], {"stroke": "red"}], [[[81.3, 0.5052], [82.7, 0.5052]], {"stroke": "red"}], [[[83, 0.45914], [83, 0.46265999999999996]], {"stroke": "red"}], [[[82.3, 0.4609], [83.7, 0.4609]], {"stroke": "red"}], [[[84, 0.5482400000000001], [84, 0.55176]], {"stroke": "red"}], [[[83.3, 0.55], [84.7, 0.55]], {"stroke": "red"}], [[[85, 0.47214], [85, 0.47565999999999997]], {"stroke": "red"}], [[[84.3, 0.4739], [85.7, 0.4739]], {"stroke": "red"}], [[[86, 0.46734000000000003], [86, 0.47086]], {"stroke": "red"}], [[[85.3, 0.4691], [86.7, 0.4691]], {"stroke": "red"}], [[[87, 0.46624000000000004], [87, 0.46976]], {"stroke": "red"}], [[[86.3, 0.468], [87.7, 0.468]], {"stroke": "red"}], [[[88, 0.47364], [88, 0.47716]], {"stroke": "red"}], [[[87.3, 0.4754], [88.7, 0.4754]], {"stroke": "red"}], [[[89, 0.50854], [89, 0.51206]], {"stroke": "red"}], [[[88.3, 0.5103], [89.7, 0.5103]], {"stroke": "red"}], [[[90, 0.49404000000000003], [90, 0.49756]], {"stroke": "red"}], [[[89.3, 0.4958], [90.7, 0.4958]], {"stroke": "red"}], [[[91, 0.50264], [91, 0.5061599999999999]], {"stroke": "red"}], [[[90.3, 0.5044], [91.7, 0.5044]], {"stroke": "red"}], [[[92, 0.48534], [92, 0.48885999999999996]], {"stroke": "red"}], [[[91.3, 0.4871], [92.7, 0.4871]], {"stroke": "red"}], [[[93, 0.48434], [93, 0.48785999999999996]], {"stroke": "red"}], [[[92.3, 0.4861], [93.7, 0.4861]], {"stroke": "red"}], [[[94, 0.5301400000000001], [94, 0.53366]], {"stroke": "red"}], [[[93.3, 0.5319], [94.7, 0.5319]], {"stroke": "red"}], [[[95, 0.48724], [95, 0.49076]], {"stroke": "red"}], [[[94.3, 0.489], [95.7, 0.489]], {"stroke": "red"}], [[[96, 0.54254], [96, 0.54606]], {"stroke": "red"}], [[[95.3, 0.5443], [96.7, 0.5443]], {"stroke": "red"}], [[[97, 0.48984], [97, 0.49335999999999997]], {"stroke": "red"}], [[[96.3, 0.4916], [97.7, 0.4916]], {"stroke": "red"}], [[[98, 0.52884], [98, 0.5323599999999999]], {"stroke": "red"}], [[[97.3, 0.5306], [98.7, 0.5306]], {"stroke": "red"}], [[[99, 0.51274], [99, 0.5162599999999999]], {"stroke": "red"}], [[[98.3, 0.5145], [99.7, 0.5145]], {"stroke": "red"}], [[[100, 0.48864], [100, 0.49216]], {"stroke": "red"}], [[[99.3, 0.4904], [100.7, 0.4904]], {"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.