Answered: 1)Colonial State College is considering…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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1)Colonial State College is considering building a new multipurpose athletic complex on campus. The complex would provide a new gymnasium for intercollegiate basketball games, expanded office space, classrooms, and intramural facilities. The following activities would have to be undertaken before construction can begin.

Activity	Description	Immediate Predecessor	Time (weeks)
A	Survey building site		7
B	Develop initial design		11
C	Obtain board approval	A, B	15
D	Select architect	C	2
E	Establish budget	C	5
F	Finalize design	D, E	17
G	Obtain financing	E	13
H	Hire contractor	F, G	8

(a)

Draw a project network. (Submit a file with a maximum size of 1 MB.)

(c)

Develop the activity schedule for the project.

Activity	Earliest Start	Latest Start	Earliest Finish	Latest Finish	Slack
A
B
C
D
E
F
G
H

(d)

Does it appear reasonable that construction of the athletic complex could begin one year after the decision to begin the project with the site survey and initial design plans? What is the expected completion time for the project?

The expected completion time is weeks, which is greater than 1 year.

You may need to use the appropriate technology to answer this question.

Blue Lagoon is a contractor that installs residential swimming pools, projects that consist of nine major activities. The activities, their immediate predecessors, and the activity time estimates (in days) are shown.

Activity	Immediate Predecessor	Optimistic	Most Probable	Pessimistic
A		3	5	6
B		2	4	6
C	A, B	6	7	8
D	A, B	8	10	11
E	B	2	4	6
F	C	1	2	3
G	D	6	10	12
H	D, F	7	9	11
I	E, G, H	3	4	5

(a)

What are the critical activities? (Enter your answers as a comma-separated list.)

(b)

What is the expected time (in days) to complete the project? (Round your answer to two decimal places.)

days

(c)

Based only on the critical path, what is the estimated probability that the project can be completed in 28 or fewer days? (Round your answer to four decimal places.)

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