6 / 6 110% (iii) What is the latest date on which the department should start so that with 90% certainty all activities will be completed before the event date? Optimistic Most Likely Pessimisti Activity Description Predecessor estimate estimate c estimate A Find venue 6 7 8 B Invite participants 4 5 6 C Stationary B A 6 D Advertisements A, B 5 6 E Publications A, B 8 10 11 Catering A. B G Transport B 5 H Accommodation B 6 Schedule G. H 2 Inauguration Schedule Tech E 3 4 J sessions K Schedule Valedictor 1:17 PM5 / 6 - 110% . .. 6. A University department would organize an annual function on January 26, 2022. It has broadly identified the tasks shown in the following table for it to manage. There are uncertainties regarding the duration of activities. The table also contains the time estimates (all durations are in days). (i) Draw a project network diagram. (ii) Find out the expected duration of the project and its variance. Page 5 of 6