[Page 785 ( continued )] ** 17. ** ** 19. ** ** 21. ** ** 27. ** ** 29. ** ** 31. ** ** 1. ** | 134 = 10 | ** 3. ** | 1368 = 23 | ** 5. ** | 1: ES = 0, EF = 7, LS = 2, LF = 9, S = 2; 2: ES = 0, EF = 10, LS = 0, LF = 10, S = 0; 3: ES = 7, EF = 13, LS = 9, LF = 15, S = 2; 4: ES = 10, EF = 15, LS = 10, LF = 15, S = 0; 5: ES = 10, EF = 14, LS = 14, LF = 18, S = 4; 6: ES = 15, EF = 18, LS = 15, LF = 18, S = 0; 7: ES = 18, EF = 20, LS = 18, LF = 20, S = 0; 2467 = 20 | ** 7. ** | 1: ES = 0, EF = 10, LS = 0, LF = 10, S = 0; 2: ES = 0, EF = 7, LS = 5, LF = 12, S = 5; 4: ES = 10, EF = 14, LS = 14, LF = 18, S = 4; 3: ES = 10, EF = 25, LS = 10, LF = 25, S = 0; 5: ES = 7, EF = 13, LS = 12, LF = 18, S = 5; 6: ES = 7, EF = 19, LS = 13, LF = 25, S = 6; 7: ES = 14, EF = 21, LS = 18, LF = 25, S = 4; 8: ES = 25, EF = 34, LS = 25, LF = 34, S = 0; 138 = 34 | ** 9. ** | 2410131417 = 78 wk. | ** 11. ** | 159 = 40.33, s = 5.95 | ** 13. ** | (e) 2691112; (f) = 46 mo., s = 5 mo. | ** 15. ** | P ( x 50) = .2119 | cdfgjkor = 160.83 min.; P ( x 180) = .9875 | P ( x 15) = .0643 | adjno, = 42.3 wk., s = 4.10 wk., 47.59 wk. | ** 23. ** | acdf = 14 days | ** 25. ** | aefgjop = 91.67 days, s = 3.308, P ( x 101) = .9976 | ahlmnosw = 126.67 days; P ( x 150) = .9979 | (c) min. Z = x _{ 6 } ; s.t. x _{ 2 } x _{ 1 } 16, x _{ 3 } x _{ 1 } 14, x _{ 4 } 2 x _{ 2 } 8, x _{ 5 } 2 x _{ 2 } 5, x _{ 5 } x _{ 3 } 4, x _{ 6 } x _{ 3 } 6, x _{ 6 } x _{ 4 } 10, x _{ 6 } x _{ 5 } 15, x _{ i } x _{ j } | min. Z = x _{ 9 } ; s.t. x _{ 2 } x _{ 1 } 8, x _{ 3 } x _{ 1 } 6, x _{ 4 } x _{ 1 } 3, x _{ 5 } 2 x _{ 2 } 0, x _{ 6 } 2 x _{ 2 } 5, x _{ 5 } x _{ 3 } 3, x _{ 5 } x _{ 4 } 4, x _{ 7 } x _{ 5 } 7, x _{ 7 } x _{ 8 } 0, x _{ 8 } x _{ 5 } 4, x _{ 8 } x _{ 4 } 2, x _{ 9 } x _{ 6 } 4, x _{ 9 } x _{ 7 } 9, x _{ i } x _{ j } 0; x _{ 1 } = 0, x _{ 2 } = 9, x _{ 3 } = 6, x _{ 4 } = 3, x _{ 5 } = 9, x _{ 6 } = 14, x _{ 7 } = 16, x _{ 8 } = 16, x _{ 9 } = 25 | ** 33. ** | adgk; crash cost = $5,100; total network cost = $33,900 | |