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# TOPIC: network diagram

## network diagram 10 years 10 months ago #2673

 Olaoluwa Ibilola Topic Author Offline Fresh Boarder Posts: 1 Karma: 1 Thank you received: 0 Kindly take look at this question and clarify accordingly: The activity “Ship Container” in your network diagram has an early start of day 17, a late start of day 22 and a late finish of day 37. What is the activity duration? A.) 15 days B.) 16 days - Correct Answer C.) 59 days D.) 14 days Based on the Formula guide the formula says Activity Duration=EF - ES + 1 or LF - LS + 1..when translated AD= 37-22+1 = 16. Based on Rita 6th Edition the answer will be 15 because ES = 0. kindly clarify this confusion. Your e-mail address will never be displayed on the site. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.

## Re:network diagram 10 years 8 months ago #2732

 Richard Visitor I'd really like the answer to this as well. You only get one correct answer on the test. I use Rita's book as well. Do we use base "0" or base "1" for calculations? The can't both be correct. Which one does PMI want? Your e-mail address will never be displayed on the site. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.

## Re:network diagram 9 years 6 months ago #3344

 Jimmy Varghese Offline Fresh Boarder Posts: 5 Karma: 1 Thank you received: 0 I came across the same question. From the network diagram node, i know its answer should be 15. But why is it 16? What is PMI specific answer for this? Why do we add a "1" to activity duration? Because when i draw my network diagram for my projects, for e.g. if duration is 5 days and activity LS is 20th May i consider LF to be 24th and not 25th May. Your e-mail address will never be displayed on the site. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.
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