(2) Doug Casey is in charge of planning and coordinating next spring's sales management training program for his company. Doug listed the following activity information for this Project: Time(weeks) Activity Description Immediate Most Predecessor Optimistic Probable Pessimistic Plan topic 1.5 2 2.5 Obtain speakers A 2 2.5 6 List meeting locations - 1 2 3 Select location C 1.5 2 2.5 I Q TMDOWD Finalize speaker Travel B,D 0.5 1 1.5 Make final check with speakers E 1 2 3 Prepare and mail brochures D 3 3.5 7 Take reservations G 3 4 5 Handle last-minute details F,H 1.5 2 2.5 a. Draw the network b. Estimate earliest start and earliest finish times along with latest start and latest finish times. c. What is the critical path? d. What are the slack times for activities c and G? e. What is the probability that the project will be completed in 17 days or less