A project is represented by the following diagram: The expected duration of this project is:
A) 13.
B) 15.
C) 20.
D) 52.
E)81.

Question

A project is represented by the following diagram:  The expected duration of this project is:
A) 13. 
B) 15. 
C) 20. 
D) 52. 
E)81.

Quizplus · Accepted Answer

To calculate the expected duration of the project, we need to calculate the longest path in the diagram, which is also called the critical path. To calculate the critical path, we need to add the duration of all activities along the path.

From the diagram, we can see that the critical path is:

TB1 - TB2 - TB3

The duration of TB1 is 7, the duration of TB2 is 8, and the duration of TB3 is 5.

Therefore, the expected duration of the project is 7 + 8 + 5 = 20.

Hence, the best choice is C.

A Project Is Represented by the Following Diagram: the Expected