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15 Missa Kadidia Diarra: Tentative 1 Question 5 (2 points) Selon une etude effectuee par un organisme d'hygiene industrielle aupres de 44 travailleurs exposes a

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15 Missa Kadidia Diarra: Tentative 1 Question 5 (2 points) Selon une etude effectuee par un organisme d'hygiene industrielle aupres de 44 travailleurs exposes a des bruits importants, le niveau moyen sonore qui a ete requis pour detecter un signal de 10kHz fut de 32 db avec un ecart-type s = 22. Determinez la marge d'erreur pour un intervalle de confiance a 80% pour u, le niveau moyen sonore requis pour tous les individus qui sont exposes a ce type de bruit

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