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[obm-l] UFCG
- To: obm-l@xxxxxxxxxxxxxx
- Subject: [obm-l] UFCG
- From: Rauryson Alves <rauryson@xxxxxxxxxxxx>
- Date: Tue, 23 Jan 2007 20:34:06 -0300 (ART)
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(UFCG 2007) Há em uma urna 32 bolas em 8 cores distintas, sendo 4 bolas de cada cor. Extraindo-se simultaneamente 5 bolas desta urna, o número de extrações nas quais se têm exatamente duas bolas de uma única cor é:
a) 65.47 b) 3.44 c) 15.4³ d) 70.4² e) 105.45
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