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1.Un estudio de mercado efectuado en Santo Domingo mostr que, en una muestra aleatoria de 100 mujeres casadas que trabajan tiempo completo, 64 prefirieron comprar

1.Un estudio de mercado efectuado en Santo Domingo mostr que, en una muestra aleatoria de 100 mujeres casadas que trabajan tiempo completo, 64 prefirieron comprar caf instantneo, no obstante, en una muestra aleatoria de 100 mujeres casadas que trabajaban tiempo parcial slo 56 prefirieron comprar caf instantneo. Con el uso de un nivel de significacin de 0.05. Hay alguna diferencia entre la proposicin de los grupos de mujeres casadas que prefirieron caf instantneo?

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