REQUIRED: a. Prepare the PERT Network for the US Tea project b. What is the critical path and its expected time in weeks? c. What is the shortest path and its slack time in weeks?

Practical Management Science
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Author:WINSTON, Wayne L.
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Chapter2: Introduction To Spreadsheet Modeling
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number 1 Dayagsky, pls answer a-c. 

1. Dayagsky Construction Firm, Inc. will soon begin to work on a building for US tea that was initially started by
another firm that has gone out of business. The construction firm's schedule of activities and related expected
completion time for US tea project are presented in the following time table:
Activity Description
Obtain on-site work permits
Repair damages done by vandals
Inspect construction materials left on site
Order and receive construction materials
Apply for waiver to add new materials
Obtain waiver to add new materials
Activity Code
Estimated Time (in weeks)
A -B
В -Е
В -С
C-E
2
8
1
2
С -D
2
D-E
3
E-F
Perform electric work
F-G
Complete interior partitions
4
REQUIRED:
a. Prepare the PERT Network for the US Tea project
b. What is the critical path and its expected time in weeks?
c. What is the shortest path and its slack time in weeks?
2. A company is faced with the following PERT network situation for a certain project (time in days):
Transcribed Image Text:1. Dayagsky Construction Firm, Inc. will soon begin to work on a building for US tea that was initially started by another firm that has gone out of business. The construction firm's schedule of activities and related expected completion time for US tea project are presented in the following time table: Activity Description Obtain on-site work permits Repair damages done by vandals Inspect construction materials left on site Order and receive construction materials Apply for waiver to add new materials Obtain waiver to add new materials Activity Code Estimated Time (in weeks) A -B В -Е В -С C-E 2 8 1 2 С -D 2 D-E 3 E-F Perform electric work F-G Complete interior partitions 4 REQUIRED: a. Prepare the PERT Network for the US Tea project b. What is the critical path and its expected time in weeks? c. What is the shortest path and its slack time in weeks? 2. A company is faced with the following PERT network situation for a certain project (time in days):
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