Question: A partially solved PERT problem is detailed in the table below. Times are given in weeks. Activity Preceding Optimistic Time Probable Time Pessimistic Time Expected

  1. A partially solved PERT problem is detailed in the table below. Times are given in weeks.

Activity

Preceding

Optimistic

Time

Probable

Time

Pessimistic

Time

Expected

Time

Variance

A

--

7

9

14

1.361

B

A

2

2

8

0

C

A

8

12

16

0

D

A

3

5

10

1.361

E

B

4

6

8

0

F

B

6

8

10

0

G

C, F

2

3

4

0

H

D

2

2

8

1.000

I

H

6

8

16

2.778

J

G, I

4

6

14

2.778

K

E, J

2

2

5

0.250

Calculate the expected time for each activity.

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