The Program Evaluation and Review Technique (PERT) is a technique for analyzing tasks in a schedule and determining a Critical Path Method variation (CPM).
It computes the minimum time which is very much required to accomplish a project by analyzing the time required to complete each activity and its associated dependencies. It calculates the smallest possible time for each task, the most likely amount of time, and the greatest potential time if the activity goes longer than predicted. In 1957, the US Navy developed the approach to analyze the resources and time required to run a project on the Polaris nuclear submarine project.
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