Tom Schriber, a director of personnel of Management resources, Inc. is in the pr

Question

Tom Schriber, a director of personnel of Management resources, Inc. is in the process of designing a program that its customers can use in the job finding process. Some of the activites include preparing resumes, writing letters, making appointments to see prospective employers, researching companies and industries, and so on. Some of the infromation on the activites is shown in the following table:
Days Immediate
Activity a m b Process
A 8 10 12 -
B 6 7 9 -
C 3 3 4 -
D 10 20 30 A
E 6 7 8 C
F 9 10 11 B, D, E
G 4 7 10 B, D, E
H 14 15 16 F
I 10 11 13 F
J 6 7 8 G, H
K 4 7 8 I, J
L 1 2 4 G, H


(A) Construct a network for this problem.
(B) Determine the expected time and variance for each activity
(C) Determine ES, EF, LS, LF and slack fore ach activity
(D) Determine the critical path and project somple completion time
(E) Determine the probability that the project will be finsihed in 70 days or less
(F) Determine the probability that the project will be finished in 80 days or less
(G) Determine the probability that the project will be finsihed in 90 days or less




Tom Schriber, a director of personnel of Management resources, Inc. is in the process of designing a program that its customers can use in the job finding process. Some of the activites include preparing resumes, writing letters, making appointments to see prospective employers, researching companies and industries, and so on. Some of the infromation on the activites is shown in the following table:
Days Immediate
Activity a m b Process
A 8 10 12 -
B 6 7 9 -
C 3 3 4 -
D 10 20 30 A
E 6 7 8 C
F 9 10 11 B, D, E
G 4 7 10 B, D, E
H 14 15 16 F
I 10 11 13 F
J 6 7 8 G, H
K 4 7 8 I, J
L 1 2 4 G, H


(A) Construct a network for this problem.
(B) Determine the expected time and variance for each activity
(C) Determine ES, EF, LS, LF and slack fore ach activity
(D) Determine the critical path and project somple completion time
(E) Determine the probability that the project will be finsihed in 70 days or less
(F) Determine the probability that the project will be finished in 80 days or less
(G) Determine the probability that the project will be finsihed in 90 days or less

Explanation / Answer

E. 70 days = .644 F. 80 days = .9994 G. 90 days= .9999

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