Question

In: Operations Management

Problem 3B Kimmy Gibbler, president Gibbler Industries, has developed the tasks, durations, and predecessor relationships in...

Problem 3B

Kimmy Gibbler, president Gibbler Industries, has developed the tasks, durations, and predecessor relationships in the following table for building new stores. Draw the AON network and answer the questions that follow.

ACTIVITY

IMMEDIATE PREDECESSOR(S)

TIME ESTIMATES (IN WEEKS)

OPTIMISTIC

MOST LIKELY

PESSIMISTIC

A

---

5

9

12

B

A

4

9

20

C

A

9

15

14

D

A

5

9

8

E

B

5

6

8

F

E, C

3

6

5

G

E, C

6

7

20

H

F

5

6

10

I

F

3

4

5

J

D, G, H

5

4

13

K

I, J

5

3

10

What is the expected (estimated) time for activity H?

What is the variance for activity H?

Based on the calculation of estimated times, what is the critical path?

What is the estimated time of the critical path?

What is the activity variance along the critical path?

What is the probability of completion of the project before week 34?

Solutions

Expert Solution

keosha answered 7 months ago
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