Question Mr Mustafa, manager of project RTS of Syarikat Aurora Sda Bhd. Is in the process of designing a problem that is clients can use in the job-finding process. Some of the activities include preparing progress report, site inspections, documents validation and appointments to see prospective employers, researching companies and industries, and so on. Some of the information on the activities appears in the following table: Answer all questions below: a) Construct a PERT network for this problem. (4 marks) b) Determine the expected times and variances for each activity. (2 marks) c) Determine ES,EF, LS,LF and slack time for each activity. (4 marks) d) Determine the critical path and project completion time. (4 marks) e) Determine the probability that the project will be finished in 70 days. ( 2 marks) f) Determine the probability that the project will be finished in 80 days. ( 2 marks) g) Determine the probability that the project will be finished in 90 days. (2 marks)