Mathematics, 11.05.2021 01:00, Isrene

Uma empresa entrevistou 72 funcionários a respeito de três embalagens A, B e C, para o lançamento de um novo produto. O resultado foi seguinte: 38 indicaram a embalagem A; 43 indicaram a embalagem B; 31 indicaram a embalagem C; 19 indicaram as embalagens A e B; 17 indicaram as embalagens A e C; 20 indicaram as embalagens B e C e 8 indicaram as três embalagens. Quantos dos entrevistados não optaram por nenhuma das embalagens?

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Uma empresa entrevistou 72 funcionários a respeito de três embalagens A, B e C, para o lançamento de...