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Mathematics, 05.02.2021 14:30 GaySpaghetti

Din 1000 bilete la un joc, puse în vânzare într-o săptămână, 10 bilete sunt câștigătoare. La o agenție se repartizează la întâmplare 100 bilete. Care este probabilitatea ca 3 bilete dintre cele repartizate să fie câștigătoare?

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Din 1000 bilete la un joc, puse în vânzare într-o săptămână, 10 bilete sunt câștigătoare. La o agenț...
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