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Con una muestra de 35 elementos, una media de 133, una desviacin estndar de la muestra de 6 y un valor de z de 1.96,

Con una muestra de 35 elementos, una media de 133, una desviacin estndar de la muestra de 6 y un valor de z de 1.96, calcula el intervalo de confianza para el promedio real de la media.

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