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Utilice el nivel de confianza y los datos del ejemplo para encontrar un intervalo de confianza para la estimacin de la poblacin mu. Redondea tu

Utilice el nivel de confianza y los datos del ejemplo para encontrar un intervalo de confianza para la estimacin de la poblacin mu. Redondea tu respuesta al mismo nmero de cifras decimales que la media muestral. Una muestra aleatoria de 105 bombillas de luz tena una vida media de 441 horas con una desviacin estndar de 40 horas. Construir un intervalo de confianza del 90% para la vida media, mu, de todas las bombillas de este tipo.

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