A project network is shown below.Use a forward and a backward pass to determine the critical path,and then fill out the table below.Activity times are in weeks. 
Now assume that the times listed are only the expected times instead of being fixed times.Is the probability of being finished in more than 28 weeks more or less than 50%?
Definitions:
Emilio Aguinaldo
Was a Filipino revolutionary, politician, and military leader who is officially recognized as the First President of the Philippines, serving from 1899 to 1901.
Provisional Government
A temporary governmental authority established to manage state affairs until a permanent structure is instituted, often after a coup or during transitions.
Plessy v. Ferguson
A significant 1896 decision by the U.S. Supreme Court that confirmed racial segregation was constitutional if facilities for each race were "separate but equal."
Segregation
The enforced separation of different racial groups in a country, community, or establishment, often noted for its role in the historical and social landscapes of the United States.
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