{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

OPMA 5364 Part 7a key

OPMA 5364 Part 7a key - -= =17.83 =20.33 =14 =7 =10.67...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
    Part 7a Part 7a PERT Analysis PERT Analysis
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
    a d g h e f c b PERT Example Activity Immediate Predecessor Optimistic Duration Most Likely Pessimistic Duration Expected Duration t e V t Variance a -- 15 18 20 b -- 20 20 22 c -- 12 14 16 d a 7 7 7 e b 8 11 12 f c 17 21 24 g b,d 10 12 15 h e,f 9 10 11 Critical path: Expected project duration T = Standard deviation of critical path σ cp = Prob(X > 48)? Prob(X < 43)? Prob(43 < X < 48)? Predict a completion date that you’re 80% sure you can meet. 17.83 20.33 14 7 10.67 20.83 12.17 10 6 t 4t t t p m o e + + = 2 o p t 6 t t V
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: -= =17.83 =20.33 =14 =7 =10.67 =20.83 =12.17 =10 .444 1.361 .111 c f h 14 + 20.83 + 10 = 44.83 1.384 1.916 .111 1.361 .444 = = + + 2.290 1.384 44.83 48 σ T X Z =-=-= prob=0.989 1-.989=0.011 1.322 1.384 43 44.83 σ X-T Z =-= = prob=0.907 1-.907=0.093 1 - 0.011 - 0.093 = 0.896 Z = 0.84 Z = (X – T) / σ 0.84 = (X – 44.83) / 1.384 X = 45.99 or 46...
View Full Document

{[ snackBarMessage ]}