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Un grupo de 25 estudiantes de preparatoria se compone de 15 mujeres y 10 hombres; dicho grupo present un examen de matemticas y result que

  1. Un grupo de 25 estudiantes de preparatoria se compone de 15 mujeres y 10 hombres; dicho grupo present un examen de matemticas y result que 8 de las mujeres y 6 de los hombres aprobaron el examen. Calcula de cuntas maneras distintas podemos formar un comit con 4 estudiantes, si:

  • Los 4 deben ser de igual sexo

  • Los 4 deben estar aprobados

  • Los 4 deben ser de igual sexo y estar reprobados

  • Deben ser dos mujeres y 2 hombres

  • Deben ser 2 mujeres aprobadas y dos hombres reprobados

  • Deben ser 3 mujeres aprobadas y un hombre

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