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INTERVALOS DE CONFIANZA PARA LA MEDIA El dimetro promedio de una muestra de n =12 varillas incluidas en un embarque es 2.350 mm, con una

INTERVALOS DE CONFIANZA PARA LA MEDIA

El dimetro promedio de una muestra de n =12 varillas incluidas en un embarque es 2.350 mm, con una desviacin estndar de 0.050 mm. Se supone que la distribucin de los dimetros de todas las varillas incluidas en el embarque tiene una distribucin aproximadamente normal. Determine el intervalo de confianza del 99% para estimar el dimetro promedio de todas las varillas.

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