Question

In: Operations Management

The Farmer’s American Bank of Leesburg is planning to install a new computerized accounts system. Bank...

The Farmer’s American Bank of Leesburg is planning to install a new computerized accounts system. Bank management has determined the activities required to complete the project, the precedence relationships of the activities, and activity time estimates as follows:

TIME ESTIMATES (WEEKS)

ACTIVITY

DESCRIPTION

ACTIVITY PREDECESSOR

a

m

b

A

Position recruiting

5

8

17

B

System development

3

12

15

C

System training

A

4

7

10

D

Equipment training

A

5

8

23

E

Manual system test

B, C

1

1

 1

F

Preliminary system changeover

B, C

1

4

13

G

Computer-personnel interface

D, E

3

6

 9

H

Equipment modification

D, E

1

2.5

 7

I

Equipment testing

H

1

1

 1

J

System debugging and installation

F, G

2

2

 2

K

Equipment changeover

G, I

5

8

11

Determine the earliest and latest activity times, the expected completion time and standard deviation, and the probability that the project will be completed in 40 weeks or less.

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