Mathematics, 24.07.2021 02:10 chart9968
¿A cuantas familias tendríamos que estudiar para conocer la preferencia del mercado en cuanto a las marcas de shampoo para bebe, si se conoce que el número de familias con bebés en el sector de interés es de 15.000 ? El nivel de confianza es de 95%, el margen de error es de 3% , la probabilidad de que ocurra es el 5% calcular la muestra?
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¿A cuantas familias tendríamos que estudiar para conocer la preferencia del mercado en cuanto a las...
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