You may need to use the appropriate technology to answer this question. Use the following network with activities and times estimated in days to answer the questions. D A E Start B F I K Finish C G H AActivity | Optimistic | Most Probable | Pessimistic 5 6 3 7 8 11 12 14 4 5 10 13 &8 3 @ 3 7 12 14 15 3 4 {2) What are the critical path activities? (Enter your answers as a comma-separated list.) (b} What is the expected time (in days) to complete the project? days {c) PBased only on the critical path, what is the probability the project will take more than 28 days to complete? (Round your answer to four decimal places.)