On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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[[[22.3, 0.6265], [23.7, 0.6265]], {"stroke": "red"}], [[[24, 0.58578], [24, 0.5884199999999999]], {"stroke": "red"}], [[[23.3, 0.5871], [24.7, 0.5871]], {"stroke": "red"}], [[[25, 0.63458], [25, 0.63722]], {"stroke": "red"}], [[[24.3, 0.6359], [25.7, 0.6359]], {"stroke": "red"}], [[[26, 0.62458], [26, 0.62722]], {"stroke": "red"}], [[[25.3, 0.6259], [26.7, 0.6259]], {"stroke": "red"}], [[[27, 0.60538], [27, 0.60802]], {"stroke": "red"}], [[[26.3, 0.6067], [27.7, 0.6067]], {"stroke": "red"}], [[[28, 0.62008], [28, 0.6227199999999999]], {"stroke": "red"}], [[[27.3, 0.6214], [28.7, 0.6214]], {"stroke": "red"}], [[[29, 0.63978], [29, 0.64242]], {"stroke": "red"}], [[[28.3, 0.6411], [29.7, 0.6411]], {"stroke": "red"}], [[[30, 0.56868], [30, 0.5713199999999999]], {"stroke": "red"}], [[[29.3, 0.57], [30.7, 0.57]], {"stroke": "red"}], [[[31, 0.60788], [31, 0.61052]], {"stroke": "red"}], [[[30.3, 0.6092], [31.7, 0.6092]], {"stroke": "red"}], [[[32, 0.5879800000000001], [32, 0.59062]], 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{"stroke": "red"}], [[[78, 0.6100800000000001], [78, 0.61272]], {"stroke": "red"}], [[[77.3, 0.6114], [78.7, 0.6114]], {"stroke": "red"}], [[[79, 0.60438], [79, 0.60702]], {"stroke": "red"}], [[[78.3, 0.6057], [79.7, 0.6057]], {"stroke": "red"}], [[[80, 0.56868], [80, 0.5713199999999999]], {"stroke": "red"}], [[[79.3, 0.57], [80.7, 0.57]], {"stroke": "red"}], [[[81, 0.61788], [81, 0.62052]], {"stroke": "red"}], [[[80.3, 0.6192], [81.7, 0.6192]], {"stroke": "red"}], [[[82, 0.62098], [82, 0.62362]], {"stroke": "red"}], [[[81.3, 0.6223], [82.7, 0.6223]], {"stroke": "red"}], [[[83, 0.65878], [83, 0.66142]], {"stroke": "red"}], [[[82.3, 0.6601], [83.7, 0.6601]], {"stroke": "red"}], [[[84, 0.65438], [84, 0.6570199999999999]], {"stroke": "red"}], [[[83.3, 0.6557], [84.7, 0.6557]], {"stroke": "red"}], [[[85, 0.62468], [85, 0.62732]], {"stroke": "red"}], [[[84.3, 0.626], [85.7, 0.626]], {"stroke": "red"}], [[[86, 0.5858800000000001], [86, 0.58852]], {"stroke": "red"}], [[[85.3, 0.5872], [86.7, 0.5872]], {"stroke": "red"}], [[[87, 0.62698], [87, 0.62962]], {"stroke": "red"}], [[[86.3, 0.6283], [87.7, 0.6283]], {"stroke": "red"}], [[[88, 0.60518], [88, 0.60782]], {"stroke": "red"}], [[[87.3, 0.6065], [88.7, 0.6065]], {"stroke": "red"}], [[[89, 0.63828], [89, 0.6409199999999999]], {"stroke": "red"}], [[[88.3, 0.6396], [89.7, 0.6396]], {"stroke": "red"}], [[[90, 0.64678], [90, 0.64942]], {"stroke": "red"}], [[[89.3, 0.6481], [90.7, 0.6481]], {"stroke": "red"}], [[[91, 0.56868], [91, 0.5713199999999999]], {"stroke": "red"}], [[[90.3, 0.57], [91.7, 0.57]], {"stroke": "red"}], [[[92, 0.61128], [92, 0.61392]], {"stroke": "red"}], [[[91.3, 0.6126], [92.7, 0.6126]], {"stroke": "red"}], [[[93, 0.63388], [93, 0.63652]], {"stroke": "red"}], [[[92.3, 0.6352], [93.7, 0.6352]], {"stroke": "red"}], [[[94, 0.59958], [94, 0.60222]], {"stroke": "red"}], [[[93.3, 0.6009], [94.7, 0.6009]], {"stroke": "red"}], [[[95, 0.58498], [95, 0.58762]], {"stroke": "red"}], [[[94.3, 0.5863], [95.7, 0.5863]], {"stroke": "red"}], [[[96, 0.63348], [96, 0.63612]], {"stroke": "red"}], [[[95.3, 0.6348], [96.7, 0.6348]], {"stroke": "red"}], [[[97, 0.63308], [97, 0.63572]], {"stroke": "red"}], [[[96.3, 0.6344], [97.7, 0.6344]], {"stroke": "red"}], [[[98, 0.6514800000000001], [98, 0.65412]], {"stroke": "red"}], [[[97.3, 0.6528], [98.7, 0.6528]], {"stroke": "red"}], [[[99, 0.62758], [99, 0.63022]], {"stroke": "red"}], [[[98.3, 0.6289], [99.7, 0.6289]], {"stroke": "red"}], [[[100, 0.64968], [100, 0.65232]], {"stroke": "red"}], [[[99.3, 0.651], [100.7, 0.651]], {"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.