Mathematics, 17.12.2019 04:31 dheydar3506
Se encuestó a 120 estudiantes sobre su música preferida. los resultados fueron: 40 prefieren rock, 25 solo electrónica 45 salsa y 8 los 3 tipos de música . además 30 escuchan rock y electrónica , 21 electrónica y salsa y 12 rock y salsa. cuantos escuchan salsa? cuantos escuchan rock? cuantos escuchan por lo menos dos tipos de música? cuántos no escuchan ni rock ni salsa?
cuantos estudiantes no escuchan ninguno de los 3 tipos de música?
Answers: 1
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Se encuestó a 120 estudiantes sobre su música preferida. los resultados fueron: 40 prefieren rock,...
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