The diagram below shows the arrow diagram of the major events (A, B, C, D, E, F) of a project, where each of them has the three estimates of duration (optimistic, most likely, pessimistic). Answer the following equestions:- 1) The mean time, standard deviation and variance for each activity? 2) Indentify the critical path of network diagram and the mean time for the total duration of the project implementation.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Еxample (11):-
The diagram below shows the arrow diagram of the major events (A, B, C, D,
E, F) of a project, where each of them has the three estimates of duration
(optimistic, most likely, pessimistic). Answer the following equestions:-
1) The mean time, standard deviation and variance for each activity?
2) Indentify the critical path of network diagram and the mean time for the
total duration of the project implementation.
3) Calculate the variance and the standard deviation of the mean time for
the total duration of the project implementation.
4) What is the optimistic estimate and pessimistic estimate for the total
duration of the project implementation.
2
C
4
(5,14,17)
D.
(2,5,8)
E (1,4,7)
A
(2,5,14)
B
(3,12.21)
F
1
3
5
(6,15,30)
Transcribed Image Text:Еxample (11):- The diagram below shows the arrow diagram of the major events (A, B, C, D, E, F) of a project, where each of them has the three estimates of duration (optimistic, most likely, pessimistic). Answer the following equestions:- 1) The mean time, standard deviation and variance for each activity? 2) Indentify the critical path of network diagram and the mean time for the total duration of the project implementation. 3) Calculate the variance and the standard deviation of the mean time for the total duration of the project implementation. 4) What is the optimistic estimate and pessimistic estimate for the total duration of the project implementation. 2 C 4 (5,14,17) D. (2,5,8) E (1,4,7) A (2,5,14) B (3,12.21) F 1 3 5 (6,15,30)
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