so I don't completely understand dummy activities(arrows) in AoA diagrams, so I decided to do some practice questions related to it. I was wondering if anyone have a look at my solution and tell me if i am right or what i did wrong, it would be great help! Thanks.
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2 Answers
You don't seem to be following that approach. For example, your H is not 6 times as long as your A. Given that, here is the question - why do you need the dummy activity from Event 4 to Event 5? You can directly connect Activity D to Event 5. Similarly, you can directly connect Activity H to Event 6 and directly connect Activity I to Event 6.
However, if you do decide to make the length of the arrow represent the estimated duration of the activity, you may need some dummy activities to bridge the gaps. You can see other examples of dummy activities given in the American Society of Quality site here.
answered Nov 12, 2014 at 21:35
here is the answer to your question. hope you find it helpful.
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in path no 4) i commit mistake in addition of the duration of the activities its not 9 its results come as 11. thank you. Nov 17, 2015 at 12:13