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Practice Problems $1\mathrm{.}2$

Consider the following project network and activity times $($in weeks$)$:

a$.$ Identify the critical path.

b$.$ How much time will be needed to

complete this project?

c$.$ Can activity D be delayed without

delaying the entire project? If $s{o}^2,$ by howe

many weeks?

d$.$ Can activity $C$ be delayed without

delaying the entire project? If so$,$ by how

many weeks?

e$.$ What is the schedule for activity $E?$