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.) Element Performance Rating 1 2 3 4 5 Grasp and place bag 105 9 10 7 12 8 Fill bag 85 36 41 38 36 112 Seal bag 100 16 17 12 21 18 Place bag on conveyor 90 9 7 10 29 36 a) The standard time for this process = 82.94 seconds (round your response to two decimal places). b) The number of observations that are required for a 90% confidence level within 5% accuracy = ? ? ? observations (round your response up to the next whole number).
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.) Element Performance Rating 1 2 3 4 5 Grasp and place bag 105 9 10 7 12 8 Fill bag 85 36 41 38 36 112 Seal bag 100 16 17 12 21 18 Place bag on conveyor 90 9 7 10 29 36 a) The standard time for this process = 82.94 seconds (round your response to two decimal places). b) The number of observations that are required for a 90% confidence level within 5% accuracy = ? ? ? observations (round your response up to the next whole number).
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
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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.)
Element Performance Rating 1 2 3 4 5
Grasp and place bag 105 9 10 7 12 8
Fill bag 85 36 41 38 36 112
Seal bag 100 16 17 12 21 18
Place bag on conveyor 90 9 7 10 29 36
Grasp and place bag 105 9 10 7 12 8
Fill bag 85 36 41 38 36 112
Seal bag 100 16 17 12 21 18
Place bag on conveyor 90 9 7 10 29 36
a) The standard time for this process = 82.94 seconds (round your response to two decimal places).
b) The number of observations that are required for a 90% confidence level within 5% accuracy = ? ? ? observations (round your response up to the next whole number).
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