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Creating network diagram, compute critical path, expected completion time

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1. The following information has been gathered for a project
a. Draw a network diagram
b. Calculate the slack for each activity and determine the critical path. How long will the project take.

Activity Activity Time (Weeks) Immediate Predecessor
A 4 -
B 7 A
C 9 B
D 3 B
E 14 D
F 10 C, D
G 11 F, E

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1. The following information has been gathered for a project
a. Draw a network diagram
b. Calculate the slack for each activity and determine the critical path. How long will the project take.

Activity Activity Time (Weeks) Immediate Predecessor
A 4 -
B 7 A
C 9 B
D 3 B
E 14 D
F 10 C, D
G 11 F, E

In creating a network diagram, computing slack activity, and determining the critical ...

Solution Summary

1. The following information has been gathered for a project
a. Draw a network diagram
b. Calculate the slack for each activity and determine the critical path. How long will the project take.
Activity Activity Time (Weeks) Immediate Predecessor
A 4 -
B 7 A
C 9 B
D 3 B
E 14 D
F 10 C, D
G 11 F, E

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Project Management: Network diagram, Critical Path, CPM, PERT

3.28 The following represent activities in Marc Massoud's Construction Company project.
a) Draw the network to represent this situation.
b) Which activities are on the critical path?
c) What is the length of the critical path?
Activity Immediate Predecessor(s) Time (weeks) Activity Immediate Predecessor(s) Time (weeks)
A - 1 E B 2
B - 4 F C, E 7
C A 1 G D 2
D B 5 H F, G 3

3.29 A small software development project at Krishna Dhir's firm has five major activities. The times are estimated and provided in the table below. Find the expected time for completing Dhir's project.

Activity Immediate Predecessor a m b
A - 2 5 8
B - 3 6 9
C A 4 7 10
D B 2 5 14
E C 3 3 3
a) Find the expected completion time for this project.
b) What variance value would be used to find probabilities of finishing by a certain time?

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