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 fewer than 25 weeks more or less than 50%?
Definitions:
Cotton Industry
A sector of the economy focused on the production, processing, and trading of cotton, a key material in the textile industry, historically significant for its role in industrialization.
Death Rate
A measure of the number of deaths in a particular population, scaled to the size of that population, expressed per thousand or per hundred thousand, over a specified time period.
Washed
A process involving water or other liquid, typically used for cleaning purposes, or metaphorically indicating a thorough change or purification.
Industrial Revolution
A period of major industrialization from the late 18th to early 19th century that transformed primarily agrarian societies into industrialized and urban ones.
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