for the following project information, the expected duration time of the project is Actity Preceding Activity Duration Iweek) A 2 B 3 A 2 D B 3 E 2 F CD 3 G CD 2 H C,D,E 7 C,D,E 5 3 HF 6 a. 20 weeks b. 13 weeks OC 19 weeks Od 17 weeks e 17 weeks