Activity a m b Immediate Predecessor(s) A 2 6 11 - B 4 5 8 - C 1 2 3 - D 6 7 8 C E 2 4 6 B, D F 6 10 13 A, E G 1 2 3 A, E H 3 5 7 F I 10 11 12 G J 13 15 17 C K 5 9 13 H, I

Two activities for a project and their optimistic completion times (a), most likely completion times (m), and pessimistic completion times (b) are given in days in the below table: Activity A B Time (days) m b 2 6 11 4 5 8 Calculate the expected activity time and standard deviation for each activity in days using PERT: (round your responses to two decimal places) Activity Expected Activity Standard Time Deviation A B