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1.Dos mquinas enlatan caf independientemente. Mediante muestras aleatorias sin reemplazo, de latas con caf tomadas de cada mquina, se han obtenido los siguientes resultados sobre

1.Dos mquinas enlatan caf independientemente. Mediante muestras aleatorias sin reemplazo, de latas con caf tomadas de cada mquina, se han obtenido los siguientes resultados sobre el peso de las latas (en gramos): n1 = 16, X1 = 495, S1 = 9 y n2 = 16, X2 = 505, S2 = 5 Es mayor el peso medio de las latas con caf de la mquina 2 que el de la mquina 1? Use a = 0.01

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