Stanford Rosenberg Computing wants to establish an assembly line for producing a new​ product, the Personal Digital Assistant​ (PDA). The​ tasks, task​ times, and immediate predecessors for the tasks are as​ follows:                                                                          Task Time ​(sec) Immediate Predecessor A 11   − B 14   A C 8   A D 4   ​B, C E 20   D   ​Rosenberg's goal is to produce 180 PDAs per hour.   a) The cycle time for the production of a PDA​ = 20 seconds ​(round your response to two decimal​ places). Part 3 ​b) The theoretical minimum number of workstations that Rosenberg can achieve in this assembly line=3(round your response up to the next whole​ number).   c) For one to assign the tasks to the actual workstations and be able to use the​ "theoretical minimum"​ number, the activity assignment should​ be:   Workstation​ # Tasks Assigned to Workstation 1 A ▼   =B,E,D,or C?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter4: Linear Programming Models
Section: Chapter Questions
Problem 111P
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Stanford Rosenberg Computing wants to establish an assembly line for producing a new​ product, the Personal Digital Assistant​ (PDA). The​ tasks, task​ times, and immediate predecessors for the tasks are as​ follows:
 
                                                                      
Task
Time
​(sec)
Immediate Predecessor
A
11
 
B
14
 
A
C
8
 
A
D
4
 
​B, C
E
20
 
D
 
​Rosenberg's goal is to produce
180
PDAs per hour.
 
a) The cycle time for the production of a PDA​ =
20 seconds ​(round your response to two decimal​ places).
Part 3
​b) The theoretical minimum number of workstations that Rosenberg can achieve in this assembly
line=3(round your response up to the next whole​ number).
 
c) For one to assign the tasks to the actual workstations and be able to use the​ "theoretical minimum"​ number, the activity assignment should​ be:
 
Workstation​ #
Tasks Assigned to Workstation
1
A
 
=B,E,D,or C?
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