Mathematics

Keira Pugh

12 July, 10:13

Un sondaj efectuat într-un liceu a constatat că 65% din elevi preferă canale de televiziune cu tematică sportivă, 40%-cu tematică de divertisment și 25% preferă ambele tematici. Care este probabilitatea ca un elev, luat la întâmplare, să prefere programele de divertisment, dacă se știe că lui îi plac programele sportive?

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