a. Calculate ALL the missing (?) data points. b. Draw the PERT network from the given data.           c. Determine ALL the paths, the critical path and its total duration in days.

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Author:WINSTON, Wayne L.
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The following table shows the various activities of the development of a new product in your organization;

Activity Event Immediate Predecesor(s) Estimates of Activity Duration (Weeks)      
      Optimistic (To) Most Likely (Tm) Pessimistic (Tp) Average (Te)
1     A          -           2              3             4          ?
2     B          A           1              2             ?          2
3     C          A           1              ?             4          2.2
4     D           B           ?              5             6          5
5     E          B           3              ?             5          4
6     F           C            2              3             ?          3
7     G          D           ?              2              4          2.2
8     H        E,F,G           3              4             6           ?
9      I          H           3              ?             5           4
10      J          I           2              1             3            ?

a. Calculate ALL the missing (?) data points.

b. Draw the PERT network from the given data.          

c. Determine ALL the paths, the critical path and its total duration in days.

d. Explain the limitations of the PERT network as a planning tool.    

 

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Thanks for the answer, but what is the simplest way of calculating and drawing the PERT network diagram? how can you calculate and draw it without using excel? 

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Explain the limitations of the PERT network as a planning tool.    

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