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Calculate the expected time and variance for each job. Time ( week ) Trinh tu No 2 . Draw the comparison by PERT. ( Predecesor

Calculate the expected time and variance for each job. Time

(

week

)

Trinh tu No

2 .

Draw the comparison by PERT.

(

Predecesor

)

b m

3 .

If it takes

28

weeks to complete the project, what

%

of the project can be completed?

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