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Al Bundy est evaluando un nuevo programa publicitario que podra aumentar las ventas de zapatos. Los resultados posibles y las probabilidades de los resultados se

Al Bundy est evaluando un nuevo programa publicitario que podra aumentar las ventas de zapatos. Los resultados posibles y las probabilidades de los resultados se muestran a continuacin.

Posibles resultados Adicional Ventas en Unidades probabilidades
Campaa ineficaz 40 .20
Respuesta normal 60 .50
Extremadamente efectivo 140 .30

Calcule el coeficiente de variacin. (No redondee los clculos intermedios. Redondee su respuesta a 3 decimales).

Coeficiente de variacin

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