Provided below is the activities to be completed in order to accomplish a project. Activities 1-2 Duration in weeks Optimistic time Most likely time Pessimistic time 1 1-3 1-4 2-5 3-5 2 132132 4-6 5-6 4 6-7 6 5-7 3 152165687 7 8 i 9 8 14 10 11 i) Determine the expected duration and variance of each activity ii) Draw the network and hence determine the project duration, critical path and critical activities iii) If the project is to be completed 28 weeks, do you see any difficulty in meeting the dateline. (12 marks) Required: