Jersey Warehouse packs and ships customer orders for three large online retailers. Jersey Warehouse normally operates continuously,
Question:
Jersey Warehouse packs and ships customer orders for three large online retailers. Jersey Warehouse normally operates continuously, but is planning to shut down next week to replace its computer servers. This highly sensitive project consists of four tasks, described in the table below:
Please answer the following questions, based on this information:
a. What is the expected completion time of this project?
b. What is the latest that Jersey Warehouse can delay beginning the reconfiguration of the warehouse terminals, without delaying the overall project?
c. Suppose that Jersey Warehouse plans to stop warehouse operations and start this project at 1:00 a.m. next Monday morning. What is the probability that Jersey Warehouse will finish the project and be back in operation by 11:00 a.m. the same day?
Transcribed Image Text:
Optimistic Task Description Immediate Predecessors Time (hours) Most Likely Time Pessimistic (hours) Time (hours) A Shut down warehouse system and remove None 2 3 old servers from server room B Install new computer 2 4 10 6 servers in server room C Reconfigure None 2 4 10 warehouse terminals D Reboot warehouse B and C 1 2 9 system and run diagnostics
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