Lilou Posted October 16, 2020 Posted October 16, 2020 https://zupimages.net/viewer.php?id=20/42/vfjd.png Bonjour, je ne comprend pas pq la D de ce qcm est fausse ... quelqu'un pourrait m'aider ? Merci Quote
Solution Chat_du_Cheshire Posted October 16, 2020 Solution Posted October 16, 2020 (edited) Hello, la variance estimée c'est p(1-p)/n donc ici 0,2*0,8/100 Edited October 16, 2020 by Chat_du_Cheshire Quote
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