i. Calculate the expected time for each activity ii. Draw a Gantt Chart from the same information above iii. State the critical path and the maximum number of weeks the project will take to be completed.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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QUESTION 1
To complete the rotor assembly for an experimental
spacecraft, Gilbert has laid out nine major activities
involved. These activities have been labelled A to I in the
table below, which also shows their estimated completion
times (in weeks) and their immediate predecessors.
EVENTS AND ACTIVITIES FOR ROTOR ASSEMBLY
ACTIVITIES TIMES (IN WEEKS) PRECEDING EVENT
А
M
A
1
2
3
3
4
A
4
6
A
8
9
10
A
E
2
5
8
В
В, С
F, D
Е, F
Н, G
4
6
1
2
3
H
1
3
4
6
Key: A is optimist time, M is the most likely time and B
is the pessimistic time.
i. Calculate the expected time for each activity
ii. Draw a Gantt Chart from the same information above
iii. State the critical path and the maximum number of
weeks the project will take to be completed.
iv. Discuss the pros and cons of using the Gantt chart as a
planning and scheduling tool?
Transcribed Image Text:QUESTION 1 To complete the rotor assembly for an experimental spacecraft, Gilbert has laid out nine major activities involved. These activities have been labelled A to I in the table below, which also shows their estimated completion times (in weeks) and their immediate predecessors. EVENTS AND ACTIVITIES FOR ROTOR ASSEMBLY ACTIVITIES TIMES (IN WEEKS) PRECEDING EVENT А M A 1 2 3 3 4 A 4 6 A 8 9 10 A E 2 5 8 В В, С F, D Е, F Н, G 4 6 1 2 3 H 1 3 4 6 Key: A is optimist time, M is the most likely time and B is the pessimistic time. i. Calculate the expected time for each activity ii. Draw a Gantt Chart from the same information above iii. State the critical path and the maximum number of weeks the project will take to be completed. iv. Discuss the pros and cons of using the Gantt chart as a planning and scheduling tool?
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