Question: ACTIVITY IMMEDIATE PREDECESSOR DURATION (Days) a m b A - 8 10 12 B - 6 7 9 C - 3 3 4 D A

ACTIVITY

IMMEDIATE PREDECESSOR

DURATION (Days)

a m b

A

-

8 10 12

B

-

6 7 9

C

-

3 3 4

D

A

10 20 30

E

C

6 7 8

F

B,D,E

9 10 11

G

B,D,E

6 7 10

H

F

14 15 16

I

F

10 11 13

J

G,H

6 7 8

K

I,J

4 7 8

L

G,H

1 2 4

d) What is the probability of the project being between 50 and 70 days?

e) What is the expected completion time at the 68%, 94% and 99% probability of completion?

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