OCR Further Discrete 2023 June — Question 1

Exam BoardOCR
ModuleFurther Discrete (Further Discrete)
Year2023
SessionJune
TopicSequences and Series
1 The table below shows the activities involved in a project together with the immediate predecessors and the duration of each activity.
ActivityImmediate predecessorsDuration (hours)
A-2
BA3
C-4
DC2
EB, C2
FD, E3
GE2
HF, G1
  1. Model the project using an activity network.
  2. Determine the minimum project completion time. The start of activity C is delayed by 2 hours.
  3. Determine the minimum project completion time with this delay.
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