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Mathematics, 03.06.2021 02:40 20heldmadison

UN MATERIAL PRESENTADO COMO BLOQUE CILÍNDRICO ES PUESTO A PRUEBA DE RESISTENCIA A LA COMPRESIÓN, Y SE OBTUVO UNA PRESIÓN PROMEDIO DE 28.96 LB/PUL2 Y UNA DESVIACIÓN ESTÁNDAR DE DE 1.90 LB/PUL2. EL DEPARTAMENTO DE CONTROL DE CALIDAD SOLO ACEPTARA PRODUCTOS CON UNA RESISTENCIA DE AL MENOS 27.92 LB/PUL2. A) ¿QUÉ PORCENTAJE SERÁ RECHAZADO POR EL DEPARTAMENTO DE CONTROL DE CALIDAD?
B) DE UNA MUESTRA DE 80 PRODUCTOS, CUÁNTOS DE ELLOS RESISTIRÁN MENOS DE 27.92 LB/PUL2?

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UN MATERIAL PRESENTADO COMO BLOQUE CILÍNDRICO ES PUESTO A PRUEBA DE RESISTENCIA A LA COMPRESIÓN, Y S...
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