January 2018
Intermediate to advanced
480 pages
236h 9m
English
book
Operations Management: Processes and Supply Chains, 12th Edition
by Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
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Solved Problem 2
An advertising project manager developed the network diagram shown in Figure 7.10 for a new advertising campaign. In addition, the manager gathered the time information for each activity, as shown in the accompanying table.
Figure 7.10 Network Diagram for the Advertising Project
TIME ESTIMATES (WKS)
Activity
Optimistic
Most Likely
Pessimistic
Immediate Predecessor(s)
A
1
4
7
—
B
2
6
7
—
C
3
3
6
B
D
6
13
14
A
E
3
6
12
A, C
F
6
8
16
B
G
1
5
6
E, F
Calculate the expected time and variance for each activity.
Calculate the activity slacks and determine the critical ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.