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Em uma urna. Temos 20 bolas azuis,10 bolas verdes,15 bolas amarela e 5bolas pretas . Retirando se 1 bola ao acaso,qual a probabilidade des bola sorteada ser a amarela
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Em uma urna. Temos 20 bolas azuis,10 bolas verdes,15 bolas amarela e 5bolas pretas . Retirando se 1 bola ao acaso,qual a probabilidade des bola sorteada ser a amarela

User GriffonRL
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4 votes

Answer:30%

Explanation:

User Eduardo Cerqueira
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