Perform scheduling for this project. Use 3 digits after decimal point in your calculations. Most Optimistic Pessimistic Activity Likely Activity Activity Predecessor Time Activity Time Time (days) (days) (days) 1.5 2.0 5.5 B A 2.5 3.5 5.5 A 0.4 0.5 0.6 D A 0.5 1.0 4.5 E B,C,D 1.0 3.0 8.0 F E 0.5 1.0 1.5 What is the expected activity time for activity D? Pick the best answer. O A. 4.0 days OB.4.6 days OC. 3.5 days O D. 1.5 days 5 E. 1.0 day What is time variance for activity A? Pick the best answer. O A. 0.028 OB. 0.250 O C. 1.000 OD.0.167 O E. 0.444 What is the variance for the expected project duration? Pick the best answer. O A. 1.869 OB. 1.586 O C. 2.083 OD. 1.368 O E. 2.528 How long is the project expected to take? Pick the best answer. O A. 7.5 days OB. 10.7 days O C. 8.5 days OD.6.7 days O E. 11.6 days What is the probability of completing the project in 8 days or more? Pick the best answer. O A. 0.88 O B. 0.12 O C. 0.97 O D.0.38 O E. 0.03 What is the probability of completing the project in 9 days or more? Pick the best answer. O A. 0.80 OB. 0.88 O C. 0.76 OD.0.24 O E 0.12 What is the probability that the project completion time is between 10 and 11 days? Pick the best answer. O A.0.23 OB. 0.41 OC. 0.91 OD.0.27 O E.0.77