Question

Problem 9-15 (Algorithmic)

Doug Casey is in charge of planning and coordinating next spring’s sales management training program for his company. Doug listed the following activity information for this project:

		Immediate		Time (weeks)
Activity	Description	Predecessor(s)	Optimistic	Most Probable	Pesssimistic
A	Plan topic	—	2	2	2
B	Obtain speakers	A	1.5	2	2.5
C	List meeting locations	—	2	2.5	9
D	Select location	C	1.5	1.5	1.5
E	Finalize speaker travel plans	B, D	2	4	6
F	Make final check with speakers	E	4	4.5	8
G	Prepare and mail brochure	B, D	1.5	2	2.5
H	Take reservations	G	0.5	1	1.5
I	Handle last-minute details	F, H	3	3.5	4

1. Which project network is correct?
   

   (i)		(ii)
   (iii)		(iv)

   
   Network (iv)
   
2. Prepare an activity schedule.
   
   If required, round your answers to two decimal places. If your answer is zero, enter “0”.
   

   Activity		Expected Time		Variance
   A
   B
   C
   D
   E
   F
   G
   H
   I

   Earliest

   Latest

   Earliest

   Latest

   Critical

   Activity

   Start

   Start

   Finish

   Finish

   Slack

   Activity

   A

   B

   C

   D

   E

   F

   G

   H

   I

3. What are the critical activities and what is the expected project completion time?
   
   
   
   If required, round your answer to one decimal place.
   
   Expected project completion time =  weeks.
   
4. If Doug wants a 0.99 probability of completing the project on time, how far ahead of the scheduled meeting date should he begin working on the project? Base your calculation solely on the critical path. Note: Use Appendix B to identify the standard score.
   
   If required, round your answer to one decimal place.
   
   T =  weeks.

Answer 1

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