Chapter 8


[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




Introduction to Management Science
Introduction to Management Science (10th Edition)
ISBN: 0136064361
EAN: 2147483647
Year: 2006
Pages: 358

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