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Con la informacin anterior, realiza lo siguiente: 1. Calcula el promedio, la varianza, la desviacin estndar y la proporcin de rendimientos menores o iguales a

Con la informacin anterior, realiza lo siguiente:

1. Calcula el promedio, la varianza, la desviacin estndar y la proporcin de rendimientos menores o iguales a 1.

2. Calcula el tamao de una muestra que garantice un nivel de confianza del 95% y un error de estimacin de 0.55 para

identificar el rendimiento promedio.

3. Con el tamao de muestra calculado, calcula la probabilidad de que elpromedio muestral sea mayor a 5.5.

4. Con el mismo tamao de muestra, calcula la probabilidad de que la

proporcin muestral de rendimientos menores o iguales a uno sea inferior a 0.3.

5. Calcula la probabilidad de que la variabilidad muestral supere a la

poblacional. Apyate en el mismo tamao de muestra.

6. Selecciona de forma aleatoria los elementos de la muestra.

7. Con los valores de la muestra, calcula el promedio, varianza, desviacin estndar y proporcin de rendimientos menores o

iguales a 1

8. Compara los resultados muestrales con los poblacionales, y con base en esto califica la calidad de sus resultados.

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