Pessimistic time also known as "PERT" is a terminology used in project planning as the longest time frame estimated for a task to be completed. In other words it is the maximum time period which a task is said to be completed. It is a very important factor in project planning for project schedulers to know when task should be completed. Option A is the best answer to this.
A. the maximum period of time for an activity to be completed.
Explanation:
Pessimistic time ( tp ) represents the estimate of maximum period of time in which an activity can be completed. It is a part of project management technique.
