Immediate Predecessor A Activity A B C D E F G H I Description Plan topic Obtain speakers List meeting locations Select location Finalize speaker travel plans Make final check with speakers Prepare and mail brochure Take reservations Handle last-minute details BD E B.D G F, H Optimistic 1.5 2.0 1.0 1.5 0.5 1.0 3.0 3.0 1.5 Time (weeks) Most Probable 2.0 2.5 2.0 2.0 1.0 2.0 3.5 4.0 2.0 Pessimistic 2.5 6.0 3.0 2.5 1.5 3.0 7.0 5.0 2.5 a. Choose the correct project network. (0) A (ii) B A E F B Start Finish Start I Finish H G H (iii) A B F (iv) A B E Start I Finish Start I Finish G H D : b. Prepare an activity schedule. If required, round your answers to two decimal places. Activity Expected Time Variance A B D E F G H I c. What are the critical activities and what is the expected project completion time? Activity Critical A B D E c. What are the critical activities and what is the expected project completion time? Activity Critical A B C D E F G H I Expected project completion time = weeks d. If Doug wants a 0.99 probability of completing the project on time, how far ahead of the scheduled meeting date should he begin working on the project? If required, round your answer to one decimal place. weeks