Question

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Answer 1

Answer:- a) Nedwalk diagram. 30 Danny 30 H 9 30 30 . Start Dummy D 30 0. End 55 Duration of dummy Jero - o b) Calculation Time expected formulate - to + Atm + tp (to-tp) Optimistic Mostlikely Pessimistic Times Crash Activity (to) (tp) sto time A 20 30 40 30. 20 B 20 65 60 50 60 100 50 30 50 100 55 E 25 30 35 F 0.1 0.1 Oil O G 25 30 35 30 10 Н. Jo 20 20 20 35 60 30 40 J 8 10 4 K 0.41 0.1 0.1 L 60 . AO C D 1 60

c) findout the Critical falks: - 1) A - B - E - F - G - H - I-J--L 30+ 60 +30 +0.1 +30 + 20+ 30+ wa+30=230.11 2 A-C-D- BunnyGH-I-L 30 +65+ 55+30 +20 + 30 +30 - 260 days 3) A-C-D- Dummy - G - H -J-K-L 30+ 65+55 +0+30 + 20+10 to1+30=240.) 4 LA-B-E-F-G-H-I-K-L. 30 +60 + 30+ 0.1 +30+ 20+10+01+30 - 210-2. 8. Ciritipath highest duration of Bath 260 days G-H-I-L. ie A-GD- Duminy - 260 days d) The The project expected duration - 260 days ic. Ciritical Bath Duration is called project duration, the

14 41.67 days Standard deviation of Ciritical Bath formula probability (2) z = Trequired - Tc.l. Standard deviation of C.P z = 265-260 41.67 z = 0.1199 ~ 0.12 project finishing less than 265 day ZO 2012 That means with in the 265 265 days. take value of Z= 0.12 in log ic.0.5478 ie. 0.5478 (or) te 54.78 % take value in. Standard nomal probability probabililies z = 0.5478 ic. 54,78%. O 00 take all to 0.02

16 02@ 230 days d has a path in Page In these a paths last Crash Cost and Common path in apalhs is Equal to H / I Can be Crashed by lodays ie 10X a000 200 00 Crash do to days $ 69,000 as at is projected can be Crashed by Aodays we incour Entra Cost icond Crash Cost - $69000 Here, I used time Crash time to awa for Grashing the faths as and available for paths ? days not on. scope. Normal duration Crash duration Scope. I take Scope Crashtime ie.