3.21 Rich Cole Control Devices, Inc., produces custom- built relay devices for auto makers. The most recent project undertaken by Cole requires 14 different activities. Cole's man- 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? agers
3.21 Rich Cole Control Devices, Inc., produces custom- built relay devices for auto makers. The most recent project undertaken by Cole requires 14 different activities. Cole's man- 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? agers
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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Transcribed Image Text:••• 3.21
Rich Cole Control Devices, Inc., produces custom-
built relay devices for auto makers. The most recent project
undertaken by Cole requires 14 different activities. Cole's man-
agers would like to determine the total project completion time
(in days) and those activities that
appropriate data are shown in the following table.
along the critical path. The
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
A
4
7
C
A
6.
6.
A
8
11
E
В, С
1
9.
18
F
3
G
D
7
8
H
Е, F
4
4
6.
G, H
1
8
7
K
|
8
11
J
4
6.
M
K
1
3
L, M
6.
8
10
PX
3.
1.
LO
1.
B.
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