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Table 1 Activity durations and costs of project

From: Uncertain random time-cost trade-off problem

Activity Normal duration Normal cost Additional cost
(i, j) ξ ij c ij d ij
(1,2) L(7,10) 170 200
(1,3) U(9,12) 300 280
(1,4) L(8,10) 65 70
(2,5) U(8,12) 270 300
(3,5) L(10,15) 135 150
(3,6) L(9,13) 75 90
(3,7) U(11,15) 150 100
(4,7) L(10,13) 600 400
(5,8) U(10,14) 85 100
(6,8) L(12,14) 300 400
(7,8) U(9,14) 95 90