Dummy activity in Network analysis/Critical Path method

can someone help me understand it??

i keep making mistakes again n again…

Re: Dummy activity in Network analysis/Critical Path method

If you post an example, may be I can help… but this is precisely why Activity-on-Node is so much better as a notation for CPM than Activity-on-Arrow.

Re: Dummy activity in Network analysis/Critical Path method

Post an example or the question itself. I hope I can help.

Re: Dummy activity in Network analysis/Critical Path method

I think its like the placebo effect, you throw in control packets to make sure u capture routing. Sorta like how they inject those chemicals when they want to check digestive tracks in the human body.