Question: The activity, expected time, t c and activity standard deviation, of a transmission line project are shown in Table 1 . [ Aktiviti , jangkaan

The activity, expected time, tc and activity standard deviation, of a transmission line
project are shown in Table 1.
[Aktiviti, jangkaan masa, te dan sisihan piawai aktiviti, projek talian penghantaran ditunjukkan
dalam Jadual 1.]
(a) Identify the critical path of the project network diagram.
[Kenal pasti laluan kritikal gambarajah rangkaian projek.]
(10 Marks / markah)
(b) Evaluate the probability of the project completion in 13 weeks and 10 weeks.
Assume the expected time of individual activity and the cumulative expected time
have the probability of 0.5. Use the table of standard normal (Z) as shown in
APPENDIX A.
[Nilaikan kebarangkalian projek siap dalam 13 minggu dan 10 minggu. Andaikan jangkaan
masa aktiviti individu dan masa jangkaan kumulatif mempunyai kebarangkalian 0.5. Gunakan
jadual normal piawai (Z) seperti ditunjukkan dalam LAMPIRAN A.]
(10 Marks / Markah)
(c) Evaluate the estimated completion time by providing the project management
with 96.71% confidence in project completion. Use the table of standard normal
(Z) as shown in APPENDIX B.
[Nilaikan anggaran masa siap dengan menyediakan pengurusan projek dengan keyakinan
96.71% dalam penyiapan projek. Gunakan jadual normal piawai (Z) seperti yang ditunjukkan
dalam LAMPIRAN B.]
(5 Marks / Markah)
Table 1
[Jadual 1]
 The activity, expected time, tc and activity standard deviation, of a

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