Question: A student wants to schedule a project using PERT. The network diagram is drawn in AOA format (activity on arrow). She has determined the following

A student wants to schedule a project using PERT. The network diagram is drawn in AOA format (activity on arrow). She has determined the following activities, precedence relationships and time estimates in days for the project:

TIME estimate Exp Time

Act t_o t_m t_pt_e

a 4 6 7 5.83

b 1 2 3 2.00

c 5 5 5 5.00

d 7 9 12 9.17

e 2 4 8 4.33

f 6 9 10 8.67

1-a. Name all potential paths and corresponding durations

1-b. Calculate ES, EF, LS, LF, and slack for all activities.

1-c. How many days can activity "c" be delayed without extending project duration?

1-d. If activity "f" is delayed by 2 days, by haw many days will it extend project duration?

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