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Mathematics, 18.02.2021 21:50 eggemotions

Agora, na urna há 60 bolinhas vermelhas, 30 bolinhas azuis e 10 bolinhas amarelas, todas do mesmo tamanho.

a) Qual a probabilidade do aluno retirar uma

bolinha vermelha?

b) Qual a probabilidade do aluno retirar uma

bolinha azul?

c) Qual a probabilidade do aluno retirar uma

​

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