The table below displays the PERT estimates for the activities in the small project shown to the right, along with the Mean duration and Variance for each of the project activities. The network displays the early and late start schedules for the project. Given this data, please answer this and the following two questions. The variance for this project is approximately: 9 Act. a m b Mean Variance St. Dev. 12.5 A 13 5 3.00 0.44 0.66 3 7 12.5 15.5 B 7 5 6 7 6.00 0. 11 0.33 25 C 1 3 11 4.00 2.78 1.67 D 2 3 7 3.50 0.69 0.83 3 12.5 /12.5 15.5 E 5 5.50 0.69 0.83 F 1 2 3 2.00 D.11 0.33 6.5 5.5_8.5 G 2 3 4 3.00 0.11 0.33 3.5 3.5 7 10.5 12.5 O 2.01 O 3.50 O 12.22 O 4.02