Mathematics, 10.04.2021 17:40, screamqueen

1. Numa pesquisa sobre preferência de detergentes realizada numa população de 100 pessoas, constatou-se que 62 consomem o produto A; 47 consomem o produto B e 10 pessoas não consomem nem A e nem B. Que parte desta população consome tanto o produto A quanto o produto B?

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1. Numa pesquisa sobre preferência de detergentes realizada numa população de 100 pessoas, constatou...

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