MOST OPTIMISTIC LIKELY PESSIMISTIC TIME IMMEDIATE ACTIVITY PREDECESSOR(S) TIME TIME 1 3 6. A 5 8 11 В, С 198101 p 1 18 F D al 7 H. E, F 4 4 6. G, H 5 7. K 8 9 11 L 4 M K 1 2 N L, M 6. 8 10 6, 00 Co 6, 6, 2. 9, 3. 00 2. 2. 2. B.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Question
Coleman Rich Control Devices, I nc., produces
custom-built relay devices for auto makers. The most recent project
undertaken by Rich requires 14 different activities. Rich's managers
would like to determine the total project completion time
(in days) and those activities that lie along the critical path. The
appropriate data are shown in the following table.
a) What is the probability of being done in 53 days?
b) What date results in a 99% probability of completion?
MOST
OPTIMISTIC LIKELY PESSIMISTIC
TIME
IMMEDIATE
ACTIVITY PREDECESSOR(S)
TIME
TIME
1
3
6.
A
5
8
11
В, С
198101 p
1
18
F
D
al 7
H.
E, F
4
4
6.
G, H
5
7.
K
8
9
11
L
4
M
K
1
2
N
L, M
6.
8
10
6,
00
Co
6,
6,
2.
9,
3.
00
2.
2.
2.
B.
Transcribed Image Text:MOST OPTIMISTIC LIKELY PESSIMISTIC TIME IMMEDIATE ACTIVITY PREDECESSOR(S) TIME TIME 1 3 6. A 5 8 11 В, С 198101 p 1 18 F D al 7 H. E, F 4 4 6. G, H 5 7. K 8 9 11 L 4 M K 1 2 N L, M 6. 8 10 6, 00 Co 6, 6, 2. 9, 3. 00 2. 2. 2. B.
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