Hoja1ambEsperanzaVarianzaVarianza ruta crticaSigma de la ruta crticaA0.511.510.02781.16671.0801234497B24640.4444C35750.4444D23430.1111E0.51.52.51.50.1111F0.51.52.51.50.1111G23.553.50.2500H22.532.50.0278I0.511.510.0278J24640.4444