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PREGUNTA 3 Una empresa consta de 700 ttabajadores;que preseritan ingresos en miles de pesos, se to una muestra al azar de 80 trabajad0fesJii1forpnagili[ qeacompafia

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PREGUNTA 3 Una empresa consta de 700 ttabajadores;que preseritan ingresos en miles de pesos, se to una muestra al azar de 80 trabajad0fesJii1forpnagili[ qeacompafia en la tabla siguiente: InglX"sos I-so - 250 250 350 350 450 450 550 sso 650 Empleados 30 10 -a. Determine, con un 95% de 'todos Jos trabajadores de la empresa. b. Se reajustarn Ios ingresos de Ios trabajadores con sueIdOs iguales o menores a $350 mil, construya un intervalo de confianza al 90%, para Ia proporcin real de empleados ue recibirn eI beneficio.

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