Answer (c) to (g)

1. Use the project description presented in the table below for the following questions Immediate Predecessor Optimistic Time Most likely Time Pessimistic Time (OT) IPTI Activity None A 5 17 12 10 15 C5 9 DE F5T 6T 10 1 HI 5 5 5 (a) Calculate the expected time for each activity Expected time calculations: (b) Calculate the variance for each activity Variance calculations, 0.69 0.44 178 LISIS Use both the longest path method and ES/EF; LS/LF method for the following questions and show your answers in the table below. (c) What is the expected project completion time (d) What are the critical activities? (e) What are the slack values for non-critical activities? The Longest Path Method ESEFILS LF Expected project finish time Critical activities Non-critical activities (slack values) (1) Calculate the probability that the project will be completed in 40 weeks. (s) Calculate the probability that the project will be completed in 43 weeks (b) Calculate the variance for each activity Variance calculations, 0.69 0.44 178 LISIS Use both the longest path method and ES/EF; LS/LF method for the following questions and show your answers in the table below. (c) What is the expected project completion time (d) What are the critical activities? (e) What are the slack values for non-critical activities? The Longest Path Method ESEFILS LF Expected project finish time Critical activities Non-critical activities (slack values) (1) Calculate the probability that the project will be completed in 40 weeks. (s) Calculate the probability that the project will be completed in 43 weeks