Use the following network with activities and times estimated in days to answer the questions. D A E I Start F K Finish C G H Activity Optimistic Most Probable Pessimistic A 2 5 6 7 C 7 8 11 D 5 12 14 3 4 5 E F 9 10 13 G 4 8 H 3 6 8 T 5 7 12 13 14 15 K 1 3 4(a) What are the critical path activities? (Enter your answers as a comma-separated list.) A B EHJ x (b} What is the expected time (in days) to complete the project? 40 days (c) Based 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.) 34481 x Probabilities should be between 0 and 1