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Mathematics, 02.11.2020 07:30 ashleyk1838

El gerente comercial de “Alimentos para Ganado S. A.” te ha encargado a usted que le ayudes a decidir si debe cambiar o no de proveedores, pues sospecha que le están dando menos producto del que paga. El gerente comercial le informa que el peso promedio de los costales de alimento debe ser de 50 Kg, por lo que debería conservar al proveedor sólo si el peso de los costales comprados es mayor o igual a dicho peso, mientras que un muestreo realizado a 126 bultos del área de almacén revela un peso promedio de 47 kg con una desviación estándar de 2.5kg. Considera un nivel de significancia del 5%, y Z=1.645 para prueba unilateral

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