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lesya [120]
3 years ago
5

Consider the following work breakdown structure:

Business
1 answer:
sergejj [24]3 years ago
3 0

Answer:

The estimated expected (mean) time for project completion is 440 hours.

Explanation:

The given breakdown structure is

Activity         Precedes         Optimistic       Most Likely         Pessimistic  

A                         D                      38                      50                      62  

B                         E                      90                      99                      108  

C                         End                  85                      100                    115  

D                         F                       19                       25                      31  

E                         End                   91                      100                     115  

F                         End                   62                      65                      68

Using the table we get

\sum t_0=38+90+85+19+91+62=385

\sum t_m=50+99+100+25+100+65=439

\sum t_p=62+108+115+31+115+68=499

The formula for estimated expected (mean) time for project completion is

t=\frac{\sum t_0+4\cdot \sum t_m+\sum t_p}{6}

t=\frac{385+4\cdot 439+499}{6}

t=440

Therefore the estimated expected (mean) time for project completion is 440 hours.

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