2. Se sabe que para cierto tipo de alambre de cobre ocurren, en promedio, 1.5 fallas...
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2. Se sabe que para cierto tipo de alambre de cobre ocurren, en promedio, 1.5 fallas por milmetro. Si se supone que el nmero de fallas es una variable aleatoria de Poisson. (a) cul es la probabilidad de que no ocurran fallas en cierta parte de un alambre que tiene 1 milmetro de longitud? (10 puntos) (b) cul es la probabilidad de que ocurran 4 fallas en cierta parte de un alambre que tiene 5 milmetros de longitud? (10 puntos) 2. Se sabe que para cierto tipo de alambre de cobre ocurren, en promedio, 1.5 fallas por milmetro. Si se supone que el nmero de fallas es una variable aleatoria de Poisson. (a) cul es la probabilidad de que no ocurran fallas en cierta parte de un alambre que tiene 1 milmetro de longitud? (10 puntos) (b) cul es la probabilidad de que ocurran 4 fallas en cierta parte de un alambre que tiene 5 milmetros de longitud? (10 puntos)
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