Practical Management Science
Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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The Dubuque Cement Company packs​ 80-pound bags of concrete mix.​ Time-study data for the filling activity are shown in the following table. Because of the high physical demands of the​ job, the​ company's policy is a
20​%
allowance for workers. ​(Round all intermediate calculations to two decimal places before proceeding with further​ calculations.)
                                                                                                                                                                
 
Performance
Observation​ (seconds)
Element
Rating
1
 
2
 
3
 
4
 
5
 
Grasp and place bag
105
​%
8
 
10
 
9
 
12
 
6
 
Fill bag
85
​%
36
 
40
 
39
 
36
 
114
​*
Seal bag
105
​%
14
 
17
 
13
 
19
 
17
 
Place bag on conveyor
85
​%
7
 
6
 
9
 
30
​^
34
​^
 
​* Bag breaks​ open; included as delay in the allowance factor
​^ Conveyor​ jams; included as delay in the allowance factor
Part 2
​a) The standard time for this process​ =
enter your response here
seconds ​(round your response to two decimal​ places).
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