Mathematics, 13.01.2021 14:00 TamB01

Într-un lot 800 de piese, 23%sunt defecte. Alegem la întâmplare, succesiv, fără repunere, trei piese din acest lot. Care este probabilitatea ca:a treia piesa din lot sa fie defecta?

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Într-un lot 800 de piese, 23%sunt defecte. Alegem la întâmplare, succesiv, fără repunere, trei piese...

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