Question: A project network is shown below. Activity Precedence Activities Optimistic Most Probable Pessimistic Time (weeks) A -- 1 5 10 B -- 2 4 8

A project network is shown below.

Activity

Precedence Activities

Optimistic Most Probable Pessimistic Time (weeks)

A

--

1 5 10

B

--

2 4 8

C

--

4 8 12

D

A, B

2 4 8

E

C

10 12 14

F

C

4 10 16

G

D, E

1 3 5

H

E

1 2 3

I

E, F

2 5 7

  • What is the variance for the Critical Path of this project?
A.

Var. = 105/36 = 2.92
B.

Var. = 105/6 = 17.5
C.

Var. = 105
D.

Var. = 17

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