Question: A dummy activity in a PERT network allows us to specify the positive time and resources required to complete the activity.? maintain the precedence relationships.?

A dummy activity in a PERT network allows us to

specify the positive time and resources required to complete the activity.?

maintain the precedence relationships.?

add more starting nodes.?

add more ending nodes.?

A dummy activity is used to show a precedence relationship, but it does not represent a

relationship between activities.?

change in relationship.?

real activity.?

passage of time.?

Can someone assist me with this? Thank you!

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