Conjuntos
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Conjuntos
Em certa pesquisa sobre a preferência entre três livros ( A, B e C), gerou-se a tabela:
Compraria qualquer um deles - 5%
Compraria A ou C - 10%
Compraria C ou B - 10%
Compraria A ou B - 15%
Não compraria esses livros - 20%
Compraria somente A - 25%
Compraria C - 40%
Qual o percentual total de preferência pelo livro B?
Não consegui responder essa questão. Poderiam me auxiliar, por favor? Não tenho o gabarito.
Compraria qualquer um deles - 5%
Compraria A ou C - 10%
Compraria C ou B - 10%
Compraria A ou B - 15%
Não compraria esses livros - 20%
Compraria somente A - 25%
Compraria C - 40%
Qual o percentual total de preferência pelo livro B?
Não consegui responder essa questão. Poderiam me auxiliar, por favor? Não tenho o gabarito.
Amellia234- Jedi
- Mensagens : 325
Data de inscrição : 03/02/2022
Re: Conjuntos
Olá Amellia;
Uma imagem para ajudar:
![Conjuntos 9hbj9yAFJNgAAAAABJRU5ErkJggg==](data:image/png;base64,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)
Se 20% não comprariam nenhum dos livros, a soma do conjunto a + b + c representa 80%. Assim, basta somar as respectivas porcentagens e determinar a preferência de b:
x = 5%
A preferência por b é:
10% + 5% + 5% + x
20% + 5% = 25%
Uma imagem para ajudar:
Se 20% não comprariam nenhum dos livros, a soma do conjunto a + b + c representa 80%. Assim, basta somar as respectivas porcentagens e determinar a preferência de b:
x = 5%
A preferência por b é:
10% + 5% + 5% + x
20% + 5% = 25%
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Re: Conjuntos
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