Sea x el número de horas que un egipcio ve televisión al día. El Departamento de Estadísticas Nacional Egipcio ha determinado que x se distribuye normalmente con nedia de 2.5 horas y desviación estándar de 1.6 . Si se seleccionan 225 egipcios aleatoriamente,determine el error estandar de la Distribución de Muestreo de Medias ? Select one: A. .0071 В. 1.6 C. .1067 D. 2.5

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