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Mathematics, 13.07.2020 23:01 officialalex6330

En una urna hay 200 esferas, el 25% son rojas, 1/4 son amarillas, la mitad de lo que queda son azules y el resto es verde. Calcular • la probabilidad de que al azar se selecciones una esfera verde y una roja. • la probabilidad de que al azar se selecciones una esfera amarilla y una azul. • la probabilidad de que al azar se selecciones una esfera blanca y una roja. • El porcentaje de seleccionar una esfera roja o una esfera amarilla.

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