Physics, 06.07.2021 02:10 tylerharmsss

En una escuela de idiomas de 300 estudiantes inscritos, 100 se encuentran en curso de inglés y 80 en curso de
francés. Estas cifras incluyen a 30 inscritos en ambos cursos. Si se elige un estudiante al azar, ¿cuál es la probabilidad de que esté inscrito en inglés o en francés?

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En una escuela de idiomas de 300 estudiantes inscritos, 100 se encuentran en curso de inglés y 80 en curso de francés. Estas cifras incluyen a 30 inscritos en ambos cursos. Si se elige un estudiante al azar, ¿cuál es la probabilidad de que esté inscrito en inglés o en francés?

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Another question on Physics

En una escuela de idiomas de 300 estudiantes inscritos, 100 se encuentran en curso de inglés y 80 en curso de
francés. Estas cifras incluyen a 30 inscritos en ambos cursos. Si se elige un estudiante al azar, ¿cuál es la probabilidad de que esté inscrito en inglés o en francés?