(Answered):Operations Management 51 . . . .

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Project Evaluation and Review Technique (PERT) is a way of analysis of tasks that are required for project completion. It focuses, particularly on analysis of time required to complete each tasks individually, as well as finding a time required for the entire project. Thus, PERT was developed primarily to visualise planning and to create graphs for big and complex projects. The technique implied presence of uncertainty, giving the ability to develop working plan without knowing details and precise time of all tasks (Pankaja, 2005).

PERT/CPM has been widely used in project management as one of