A project management problem is identified with activities, predecessors, mean activity durations (in weeks), the variance of activity durations, crashing costs per week ($ per week) and maximum possible crash weeks are identified as below. Crashing cost Mean duration Variance Maximum Activity Predecessors per week (u) crash weeks (02) ($ per week) A 3 1 B A 5 1 200 ww A 6 1 300 D B, C 7 2 400 1 E B, D 9 3 600 1 F C, D 3 1 100 3 G D, E, F 8 2 500 1 Question 29 1 pts What is the standard deviation of the critical path after crashing the project duration by 3 weeks? O 2.65 0 2.45 O 1 O 2.24 3 Question 30 1.5 pts Your recommendations on crashing the project duration by 3 weeks have been implemented. Now, assuming each activity time durations follow the normal distribution, what is the probability that the project can be completed between 27 and 33 weeks? 0 4.5% 31.7% 99.7% 0 95.4% O 68.3% A project management problem is identified with activities, predecessors, mean activity durations (in weeks), the variance of activity durations, crashing costs per week ($ per week) and maximum possible crash weeks are identified as below. Crashing cost Mean duration Variance Maximum Activity Predecessors per week (u) crash weeks (02) ($ per week) A 3 1 B A 5 1 200 ww A 6 1 300 D B, C 7 2 400 1 E B, D 9 3 600 1 F C, D 3 1 100 3 G D, E, F 8 2 500 1 Question 29 1 pts What is the standard deviation of the critical path after crashing the project duration by 3 weeks? O 2.65 0 2.45 O 1 O 2.24 3 Question 30 1.5 pts Your recommendations on crashing the project duration by 3 weeks have been implemented. Now, assuming each activity time durations follow the normal distribution, what is the probability that the project can be completed between 27 and 33 weeks? 0 4.5% 31.7% 99.7% 0 95.4% O 68.3%