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Um grupo de 20 pessoas é formado. Qual é a probabilidade de pelo menos uma pessoa ter o mesmo sobrenome, considerando que existem 100 sobrenomes possíveis?

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Questionário

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Consulta a anuários e revistas

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Entrevistas por telefone

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Observação

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Há diversos métodos para coletar dados primários citados, abaixo, exceto:

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A série estatística representada é:

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Comentários