Practical Management Science
Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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Using the following project information
Optimistic Time
Estimate(weeks)
Activity
A
B
с
DEF
I G
H
J
2
2.3
5
3
42
4
7
4
2
The critical path is A-C-E-G-I-J.
Most Likely Time
Estimates (weeks)
3
4
7
in in un c073
5
7
Pessimistic Time
Estimates (weeks)
5
5
8
7
13
9
6
8
10
3
GHIJ
Activity A B
CDE
Variance 0.25 0.20 0.25 0.44 2.25 1.36 0.11 0.03 1.00 0.03
Immediate
Predecessor(s)
none
A
A
B, C
B. C
D
ܗ ܒ ܘ ܫ
H.I
(a) Calculate the probability that the project will be completed in 31 weeks. (Round your answer to 4 decimal places, e.g. 1.7945.)
P(project ≤ 31) -
(b) Calculate the probability that the project will be completed in 34 weeks. (Round your answer to 4 decimal places, e.g. 1.7945.)
P(project = 34)-
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Transcribed Image Text:Using the following project information Optimistic Time Estimate(weeks) Activity A B с DEF I G H J 2 2.3 5 3 42 4 7 4 2 The critical path is A-C-E-G-I-J. Most Likely Time Estimates (weeks) 3 4 7 in in un c073 5 7 Pessimistic Time Estimates (weeks) 5 5 8 7 13 9 6 8 10 3 GHIJ Activity A B CDE Variance 0.25 0.20 0.25 0.44 2.25 1.36 0.11 0.03 1.00 0.03 Immediate Predecessor(s) none A A B, C B. C D ܗ ܒ ܘ ܫ H.I (a) Calculate the probability that the project will be completed in 31 weeks. (Round your answer to 4 decimal places, e.g. 1.7945.) P(project ≤ 31) - (b) Calculate the probability that the project will be completed in 34 weeks. (Round your answer to 4 decimal places, e.g. 1.7945.) P(project = 34)-
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