please answer 2,7,13

CH5 2. Describe what an activity estimated duration is. How is it determined? 7. From your experience, describe how you have used a project control process. If you did not use continual monitoring of the progress, how would it have helped improve the project's success if you did use it? ques help control a project's progression? 13. Calculate the ES, EF, LS, and LF times and the slack for each activity in the figure below, and identify the critical path for the project. Can the project be completed in 40 weeks? Assume that activity A actually finished at 3 weeks, Activity E Activity B 10 Activity A Activity D 15 Activity G 12 Activity Activity C 8 Activity 6 20 Copyright 2011 Cengage Learning. All Rights Reserved. Wayne copie op WON Chapter 5 Developing the Schedule 193 activity B actually finished at 12 weeks, and activity Cactually finished at 13 weeks. Recalculate the expected project completion time. Which activities would you focus on to get the project back on schedule