INFS3632 Hw 7 Solutions.doc - Service Quality Management Homework#7 Solution Question 1(30 marks(a(20 marks The network flow diagram is as follows Start

# INFS3632 Hw 7 Solutions.doc - Service Quality Management...

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Service & Quality Management Homework #7 Solution Question 1 (30 marks) (a) (20 marks) The network flow diagram is as follows. Performing CPM yields the following scheduling information. Task ES EF LS LF Float A 0 30 0 30 0 B 30 35 30 35 0 C 0 2 30 32 30 D 2 5 32 35 30 E 0 7 3 10 3 F 7 32 10 35 3 G 0 15 8 23 8 H 15 25 23 33 8 I 25 27 33 35 8 J 35 45 35 45 0 K 0 15 30 45 30 L 45 75 45 75 0 The Critical path: A B J L and the project duration is 75 minutes. (b) (10 marks) H has a float of 8 minutes. According to the problem, H will be delayed by 10 minutes such that the delay is longer than the float. This means that the project will be delayed. If the project starts at 5pm, the dinner will be ready at 6:17pm (with 2 minutes delay). L should be started at 5:47pm. 1 A 30 B 5 C 2 D 3 E 7 F 25 G 15 H 10 I 2 J 10 K 15 L 30 Start End

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Question 2 (67 marks) (a) (30 marks) Activity ES EF LS LF Float A 0 8 0 8 0 B 16 24 16 24 0 C 24 37 24 37 0 D 37 48 37 48 0 E 8 12 8 12 0 F 12 16 12 16 0 G 16 28 16 28 0 H 28 41 28 41 0 I 41 45 41 45 0 J 16 20 30 34 14 K 20 28 34 42 14 L 41 44 42 45 1 M 45 48 45 48 0 N 28 33 43 48 15 O 28 32 44 48 16 (b) (37 marks) The project duration is 48 weeks. There are two critical paths: A-E-F-
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