The statement "the critical path method (CPM) allows us to investigate the effects of uncertainty of activity times on the project completion time" is false.
The critical path method (CPM) is a project management technique used to identify the sequence of activities that must be completed to finish a project. The CPM technique starts with a list of all the activities that need to be completed as part of the project. The next step is to identify the dependencies between the activities. The dependencies can be either finish-to-start, start-to-start, or finish-to-finish. Once the dependencies have been identified, the next step is to create a network diagram.
The critical path method is the methodology through which the project scheduling is done, and then it pinpoints the tasks that are essential for the completion of a project. Hence, the effects of uncertainties are not handled in the critical path method.
It can be concluded that the statement "the critical path method (CPM) allows us to investigate the effects of uncertainty of activity times on the project completion time" is false.
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