Question

Job Saint has laid out the major steps and eight activities to complete the wing assembly for an experimental air craft. These activities have been labeled A to H in the following table, which also shows their estimated completion time (in weeks) and immediate predecessors.

                       

                        Activity   Immediate Predecessors        a              m             b                                                   

             A                  ---------                         1              2              3

                 B                   --------                         2              3              4

                 C                     A                               4              5              6

                  D                    B                               8              9             10

                  E                    C                                2              5             8

                  F                     C, G                          4              5              6

                  G                   D, E                            1              2             3

(a) Determine expected time and the variance for all the activities.

(b) Determine the earliest start and finish, latest start and finish time and also find slack time for each activities and the project completion time.

Answer 1

Immdiate Pxdecesser.s rm 2 2. C, G, D E EExpected ime