What is the expected completion time of the project? 

Q3. What is the probability of completing the project by 2 days earlier than the expected completion time? 

Q4. What is the probability of completing the project by 4 days later than the expected completion time? Please include picture of path.

 

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Rich Cole Control Devices, Inc., produces custom-built relay devices for auto makers. The most recent project undertaken by Cole requires 12 different activities. Cole's managers would like to determine the total project completion time (in days) and those activities that lie along the critical path. The approprate data are shown in the following table. Activity A B C D E F G H I 3 K L a 1 5 7 4 2 5 3 2 6 4 Time (in days) 6 3 E 3 7 10. 5 2 (Use two digits after decimal point.) 5 4 10 8 7 7 5 b 5 9 13 12 2 ACON15 11 12 10 10 14 7 Immediate Predecessors None A G E,G A B,C A C.D H F.I I J,K A B D H Rich Cole Control Devices, Inc., produces custom-built relay devices for auto makers. The most recent project undertaken by Cole requires 12 different activities. Cole's managers would like to determine the total project completion time (in days) and those activities that lie along the critical path. The approprate data are shown in the following table. Activity A B C D E F G H I 3 K L a 1 5 7 4 2 5 3 2 6 4 Time (in days) 6 3 E 3 7 10. 5 2 (Use two digits after decimal point.) 5 4 10 8 7 7 5 b 5 9 13 12 2 ACON15 11 12 10 10 14 7 Immediate Predecessors None A G E,G A B,C A C.D H F.I I J,K A B D H