Edexcel D1 2019 June — Question 5

Exam BoardEdexcel
ModuleD1 (Decision Mathematics 1)
Year2019
SessionJune
TopicCritical Path Analysis

5.
ActivityImmediately preceding activities
A-
B-
CA
DA
EA, B
FC, D
GD
HD, E
IF, G
JF, G, H
  1. Draw the activity network described in the precedence table above, using activity on arc and exactly 4 dummies.
  2. Explain why one of the activities I or J must be critical. It is given that activity C is a critical activity.
  3. State the activities that are therefore guaranteed to be critical.