Mathematics, 25.03.2021 01:00 Poohlobster
En una caja hay bolillas blancas, negras y 5 rojas. Se extrae una bolilla de la caja. Se sabe que la probabilidad de obtener una bolilla blanca es 3/5 y la de obtener una negra es 1/3. Cuántas bolillas hay en la caja?
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En una caja hay bolillas blancas, negras y 5 rojas. Se extrae una bolilla de la caja. Se sabe que la...
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