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Given the activities whose sequence is described by the following table Activity Immediate Predecessors) Time estimates fin days) Optimistic Most likely Pessimistic 2 2 4 2 4 3 G AE AE 2 6 1 3 30 34 2 10 2 6 11 16 8 6 14 4 9 12 20 30 6 ,Determine the expected completion time and wattance for each atty variance . Expected completion time, te Variance 0 Activity A D E F G H 1 ) Given ES and EF determine LS, LF, and stack for each activity Activity ES EF LS UF Stack 0 5.83 A B 0 3.67 0 2 D 2 9 E 9 13 13 23 G 13 15.17 H 23 29 - 15.17 26.17 1 2 18.33 K 29 36.33 What is the total project completion time? days What is the critical path for the project? (A_B_C.) What is the probability that the project will finish in 40 days or less