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A partir de las 9 am, los estudiantes llegan a clase de acuerdo con un proceso de Poisson con
parmetro = 2 (las unidades son minutos). La clase comienza a las 9:15 am Hay 30
estudiantes.
(a) Cul es la expectativa y la varianza del nmero de estudiantes en la clase por
9:15 am?
(b) Calcule la probabilidad de que haya al menos 10 estudiantes en clase a las 9:05 a. m.
(c) Halle la probabilidad de que el ltimo alumno que llegue llegue tarde.
(d) Suponga que exactamente seis estudiantes llegan tarde. Encuentre la probabilidad de que
exactamente 15
los estudiantes llegaron a las 9:10 am
(e) Cul es el tiempo esperado de llegada del sptimo estudiante que obtiene
a clase?

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Proceso de Poisson para llegada de estudiantes a clase

  • 1. A partir de las 9 am, los estudiantes llegan a clase de acuerdo con un proceso de Poisson con parmetro = 2 (las unidades son minutos). La clase comienza a las 9:15 am Hay 30 estudiantes. (a) Cul es la expectativa y la varianza del nmero de estudiantes en la clase por 9:15 am? (b) Calcule la probabilidad de que haya al menos 10 estudiantes en clase a las 9:05 a. m. (c) Halle la probabilidad de que el ltimo alumno que llegue llegue tarde. (d) Suponga que exactamente seis estudiantes llegan tarde. Encuentre la probabilidad de que exactamente 15 los estudiantes llegaron a las 9:10 am (e) Cul es el tiempo esperado de llegada del sptimo estudiante que obtiene a clase?