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Mathematics, 08.06.2021 15:40 michaela134

En una empresa de productos lácteos tiene como criterio de calidad para la crema que ésta tenga un porcentaje de grasa de 45 con un porcentaje de margen de error de ± 5. Para el control de calidad, realizan muestreo representativo, en lo que ha resultado una media de 44% de grasa, una desviación estándar de 1.3 y un comportamiento de datos normal (lo que significa que el 99,9% de la muestra se mueve entre −3σ y 3σ). Concluya, de manera argumentada, si la empresa está cumpliendo o no su criterio de calidad.

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