Mathematics Chapter 7 Homework Alpha Beta Gamma Record

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Activity Pred

Optim

time (a)

Most likely

time (m)

Pessim

time (b)

Exp

time

Var

Std

dev

EST EFT LST LFT Slack Critical? Critical path =

A – 1.00 2.00 3.00 2.00 0.11 0.33 0.00 2.00 0.00 2.00 0.00 Y Project length = 35.50 days

B – 1.00 1.50 5.00 2.00 0.44 0.67 0.00 2.00 1.00 3.00 1.00 N Project variance = 0.6944

C A 0.50 1.00 1.50 1.00 0.03 0.17 2.00 3.00 2.00 3.00 0.00 Y Project std deviation = 0.8333 days

G E 2.00 2.00 2.00 2.00 0.00 0.00 5.00 7.00 7.00 9.00 2.00 N

I H 2.00 2.50 6.00 3.00 0.44 0.67 8.00 11.00 10.00 13.00 2.00 N

J E 1.00 3.00 5.00 3.00 0.44 0.67 5.00 8.00 5.00 8.00 0.00 Y

K D 2.00 2.00 2.00 2.00 0.00 0.00 4.00 6.00 6.00 8.00 2.00 N

L K, J 1.00 2.00 3.00 2.00 0.11 0.33 8.00 10.00 8.00 10.00 0.00 Y

M L 2.00 2.00 2.00 2.00 0.00 0.00 10.00 12.00 10.00 12.00 0.00 Y

N M 1.00 1.00 1.00 1.00 0.00 0.00 12.00 13.00 12.00 13.00 0.00 Y

O N 0.50 0.50 0.50 0.50 0.00 0.00 13.00 13.50 13.00 13.50 0.00 Y

P I 0.50 0.50 0.50 0.50 0.00 0.00 11.00 11.50 13.00 13.50 2.00 N

Q O, P 0.50 1.00 1.50 1.00 0.03 0.17 13.50 14.50 20.50 21.50 7.00 N

R Q 0.00 0.00 0.00 0.00 0.00 0.00 14.50 14.50 21.50 21.50 7.00 N

T S 3.00 0.00 0.00 14.50 17.50 14.50 17.50 0.00 Y

U T 2.00 0.00 0.00 17.50 19.50 17.50 19.50 0.00 Y

V U 2.00 0.00 0.00 19.50 21.50 19.50 21.50 0.00 Y

W R, V 3.00 0.00 0.00 21.50 24.50 21.50 24.50 0.00 Y

X W 1.00 0.00 0.00 24.50 25.50 24.50 25.50 0.00 Y

Y X 1.00 0.00 0.00 25.50 26.50 25.50 26.50 0.00 Y

Z Y 4.00 0.00 0.00 26.50 30.50 26.50 30.50 0.00 Y

AA Z 1.00 0.00 0.00 30.50 31.50 30.50 31.50 0.00 Y

Internet Case: Alpha Beta Gamma Record (Thrift Print)

A-C-E-J-L-M-N-O-S-T-

U-V-W-X-Y-Z-AA-BB

E C, B 2.00 2.00 2.00 2.00 0.00 0.00 3.00 5.00 3.00 5.00 0.00 Y

F C, B 1.00 1.00 1.00 1.00 0.00 0.00 3.00 4.00 8.00 9.00 5.00 N