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Se quiere encontrar la tasa de inters de los crditos hipotecarios en Mxico, para tal efecto se tom una muestra a 70 instituciones bancarias, en

Se quiere encontrar la tasa de inters de los crditos hipotecarios en Mxico, para tal efecto se tom una muestra a 70 instituciones bancarias, en donde se sabe que la desviacin estndar poblacional es de 1.45%, se encontr una media en el rendimiento de 7.89%.

Con un nivel de confianza del 98% Determina el intervalo en donde se encuentra la media de la tasa de inters de la poblacin.

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