Despite the insights that PERT provides, there are still practical limitations that impact its usefulness. All of the following difficulties are associated with the use of PERT EXCEPT:

It highlights uncertainty in project duration
It does not accurately address the case when two activities both need to be accomplished before a third can begin.
It often requires more effort to generate three estimates than one.
There is no assurance that three estimates are any more accurate than one

It highlights uncertainty in project duration.

Explanation:

Program evaluation review technique is a statistical method that is used to analyse tasks that are required to complete a project.

It is especially focused on the time it takes to complete the task, and also total time it takes to compete a project.

Projects can be scheduled without knowing the time it takes to complete each of the tasks. It is an event-oriented rechnique and not start and completion oriented.

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hope i

-lavira : )