Use the project description presented in the table below for thefollowing questions: Activity Immediate Predecessor Optimistic Time(O.T.) Most likely Time (M.T.) Pessimistic Time (P.T.) A None 4 6 9B A 3 5 7 C A 4 7 12 D B 4 8 10 E C 5 9 15 F D 4 4 5 G D, E 3 6 8 HF 5 6 10 I G 5 8 11 J H, I 5 5 5 Calculate the expected time foreach activity (2 points) Calculate the variance for each activity(2 points) Using the information given, construct a network diagram(2 points) Use both the longest path method and ES/EF; LS/LF methodon the diagram for the following questions and show your answers inthe table below. What is the expected project completion time? (3points) What are the critical activities? (3 points) What are theslack values for non-critical activities? (4 points) The LongestPath Method ES/EF/LS/LF Expected project finish time Criticalactivities A,B,D,E,G,I,J Non-critical activities (slack values)C,F,H Calculate the probability that the project will be completedin 40 weeks. (2 points) Calculate the probability
that the project will be completed in 43 weeks.
PLEASE DO NOT ROUND ANWSERS