mt137896
09.12.2020 •
Mathematics
Les résultats des élèves à un test sont distribués normalement avec une moyenne de 300 et un écart type de 40. Quelle est la probabilité que le résultat à ce test obtenu par un élève choisi au hasard soit entre 256 et 282?
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Ответ:
fioenvwevv
Step-by-step explanation:
ewejvbweojv ejsek vjslvbse
Ответ:
(0,0) (-2,0) (2,0)
Step-by-step explanation: