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Decision Mathematics
Critical Path Analysis
Q5
Edexcel D1 2019 June — Question 5
Exam Board
Edexcel
Module
D1 (Decision Mathematics 1)
Year
2019
Session
June
Topic
Critical Path Analysis
5.
Activity
Immediately preceding activities
A
-
B
-
C
A
D
A
E
A, B
F
C, D
G
D
H
D, E
I
F, G
J
F, G, H
Draw the activity network described in the precedence table above, using activity on arc and exactly 4 dummies.
Explain why one of the activities I or J must be critical. It is given that activity C is a critical activity.
State the activities that are therefore guaranteed to be critical.
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