Mobile Photo

Topics: Project management, Critical path method, Gantt chart Pages: 6 (709 words) Published: April 10, 2013
Faculty of Information Technology / Faculty of Information Science & Technology Trimester 2, 2005/2006
TIS2211 System Analysis and Design
Tutorial 2 – Solution

1. Calculate the expected time for the following activities:

|Activity |Optimistic Time |Most Likely Time |Pessimistic Time |Expected Time | |A |3 |5 |7 |5.0 | |B |5 |7 |10 |7.2 | |C |7 |9 |14 |9.5 | |D |2 |6 |7 |5.5 | |E |1 |3 |5 |3.0 | |F |5 |7 |10 |7.2 | |G |8 |7 |14 |8.3 | |H |1 |2 |5 |2.3 | |I |4 |7 |9 |6.8 | |J |5 |8 |11 |8.0 |

2. A project has been defined to contain the following list of activities along with their required times for completion

|Activity |Time (weeks) |Immediate Predecessors | |1- collect requirements |2 |- | |2- analyze processes |3 |1 | |3- analyze data |3 |2 | |4- design processes |7 |2 | |5- design data |6 |2 | |6- design screens |1 |3, 4 | |7- design reports |5 |4, 5 | |8- program |4 |6, 7 | |9- test and document |8 |7 | |10- install |2 |8,9 |

a. Calculate the earliest expected completion time
b. Show the critical path
c. Draw a PERT chart for the activities
d. What would happen if Activity 6 was revised to take six weeks instead of one week?

Answer for a
|Activity |Time |Immediate Predecessors |Early Finish |Late Finish |Slack |Critical Path ? | |1 |2 |- |2 |2 |0 |Yes | |2 |3 |1 |5 |5 |0 |Yes | |3 |3 |2 |8 |20 |12 |No | |4 |7 |2 |12 |12 |0 |Yes | |5 |6 |2 |11 |12 |1 |No | |6 |1 |3,4...
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