OCR Further Discrete 2022 June — Question 2

Exam BoardOCR
ModuleFurther Discrete (Further Discrete)
Year2022
SessionJune
TopicSequences and Series
2 The table below shows the activities involved in a project together with the immediate predecessors and the duration of each activity.
ActivityImmediate predecessorsDuration (minutes)
A-4
B-1
CA2
DA, B5
ED1
FB, C2
GD, F5
HE, F4
  1. Model the project using an activity network.
  2. Determine the minimum project completion time.
  3. Calculate the total float for each non-critical activity.
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