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2. La siguiente tabla muestra la distribucion de probabilidades de la variable X: numero de errores ortograficos en una pagina de un cuaderno de matematicas

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2. La siguiente tabla muestra la distribucion de probabilidades de la variable X: numero de errores ortograficos en una pagina de un cuaderno de matematicas Xi P(Xi) 0 0,15 0,25 2 0.25 3 0.1 4 0.25 Si se quiere determinar la desviacion estandar del numero de errores ortograficos, se puede afirmar que es de: A. Aproximadamente 2,05 errores B. Aproximadamente 1,40 errores C. Aproximadamente 1,05 errores D. Aproximadamente 1,95 errores

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