OCR MEI D1 2010 January — Question 1

Exam BoardOCR MEI
ModuleD1 (Decision Mathematics 1)
Year2010
SessionJanuary
TopicCritical Path Analysis
1 The table shows the activities involved in a project, their durations and their precedences.
ActivityDuration (mins)Immediate predecessors
A3-
B2-
C3A
D5A, B
E1C
  1. Draw an activity on arc network for these activities.
  2. Mark on your diagram the early time and the late time for each event. Give the critical activities.
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