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Un estudio de Televeo encontro que los ninos entre 2 y 5 anos ven un promedio de 25 horas de television por semana. Suponga que
Un estudio de Televeo encontro que los ninos entre 2 y 5 anos ven un promedio de 25 horas de television por semana. Suponga que la variable se distribuye de manera normal. La desviacion estandar es de 3 horas. Si se seleccionan al azar 20 ninos entre 2 y 5 anos, encuentro la probabilidad de que la media del numero de horas que ven television sera mayor de 26.3 horas. O 0.0724 O 0.27 O 0.9718 O 0.0282
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