The manager of the Oak Hills Swimming Club is planning the club’s swimming team program. The first team practice is scheduled for May 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are as follows:     Activity   Optimistic Most Probable   Pessimistic Immediate Predecessors A 1 2 3 - B 4 6 8 A C 2 4 6 A D 1 2 3 B, C E 2 3 4 B F 1 2 3 A G 1 2 3 D H 1 2 3 G I 1 1 1 E, H, F a. If the club manager plans to start the project on February 1, what is the probability the swimming program will be ready by the scheduled May 1 date (13 weeks)? b. Suppose activity E were delayed for 4 weeks. By how much would the entire project be delayed?

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  1. The manager of the Oak Hills Swimming Club is planning the club’s swimming team program. The first team practice is scheduled for May 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are as follows:

 

 

Activity

 

Optimistic

Most Probable

 

Pessimistic

Immediate Predecessors

A

1

2

3

-

B

4

6

8

A

C

2

4

6

A

D

1

2

3

B, C

E

2

3

4

B

F

1

2

3

A

G

1

2

3

D

H

1

2

3

G

I

1

1

1

E, H, F

a. If the club manager plans to start the project on February 1, what is the probability the swimming program will be ready by the scheduled May 1 date (13 weeks)?

b. Suppose activity E were delayed for 4 weeks. By how much would the entire project be delayed?

 

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