Mullins Ayala
01/04/2024 · Elementary School
5. Si seleccionamos al azar a un alumno para que sea el abanderado de la escolta de la escuela, ¿cuál es la probabilidad de que sea de segundo semestre o esté aprobado con un examen a título?
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Para calcular la probabilidad de que un alumno sea de segundo semestre o esté aprobado con un examen a título, usa la fórmula \( P(A \cup B) = P(A) + P(B) - P(A \cap B) \), donde \( P(A) \) es la probabilidad de ser de segundo semestre, \( P(B) \) es la probabilidad de estar aprobado con un examen a título, y \( P(A \cap B) \) es la probabilidad de cumplir ambas condiciones.
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