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- De qu tamao debe ser una muestra si se desea una confianza del 95%, de que la estimacin de difiera de esta por lo

- De qu tamao debe ser una muestra si se desea una confianza del 95%, de que la estimacin de difiera de esta por lo menos de 0,03? Use una muestra de aleatoria de tamao 30 de una poblacin normal, con varianza 256 y tiene una media muestral de 101,2.

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