The project manager for an organization has identified the following activities and activity times for the installation of a new accounting software system. (Note: time estimates are in weeks)
![733_Untitled picture.png](https://secure.tutorsglobe.com/CMSImages/733_Untitled picture.png)
a. Calculate the expected time and variance for each activity.
![989_Untitled picture1.png](https://secure.tutorsglobe.com/CMSImages/989_Untitled%20picture1.png)
b. Draw the network diagram for the project.
c. Solve the network for the critical path, Be sure to list the slack associated for each activity.