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Mathematics, 09.11.2021 19:30 ale1910

Un grupo de empleados de Unique Services serán encuestados sobre un nuevo plan de pensiones. Se realizarán entrevistas a profundidad con cada empleado seleccionado en la muestra. Los empleados se clasifican como sigue: Clasificación Evento Número de Empleados
Supervisión A 120
Mantenimiento B 50
Producción C 1,460
Dirección D 302
Secretaría E 68

¿Cuál es la probabilidad de que la primera persona seleccionada esté en la dirección o en la supervisión?

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