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Una poblacin tiene 200 de media y 50 de desviacin estndar. Se tomar una muestra aleatoria simple de tamao 100, y se usar la media

Una poblacin tiene 200 de media y 50 de desviacin estndar. Se tomar una muestra aleatoria simple de tamao 100, y se usar la media de la muestra x para estimar la media de la poblacin.

a.- Cul es el valor esperado de x?

b.- Cul es la desviacin estndar de x?

c.- Determine la distribucin muestral de x

d.- Qu indica la distribucin muestral de x

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