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Mathematics, 28.06.2020 06:01 kragland4752

En una encuesta sobre preferencias entre los deportes Tenis (T), Surf (S) y Golf (G) se sabe que: 90 personas fueron encuestadas

15 personas prefieren Golf

10 no prefieren ninguno de estos deportes

ninguno de los que prefiere los deportes Tenis ó Surf prefieren Golf

30 prefieren sólo Surf

20 prefieren sólo Tenis

a) ¿Cuántas personas prefieren dos de estos deportes?
b) ¿Cuántos prefieren sólo uno de estos deportes?

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Answers: 3

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En una encuesta sobre preferencias entre los deportes Tenis (T), Surf (S) y Golf (G) se sabe que: 9...
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