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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 Grasp and place bag Performance Rating Observation (seconds) 1 2 3 4 5 115% 9 8 7 10 8 Fill bag 80% 37 41 40 34 112 Seal bag 105% 15 16 14 20 17 Place bag on conveyor 90% 7 5 8 29A 35 *Bag breaks open; included as delay in the allowance factor A Conveyor jams, included as delay in the allowance factor a) The standard time for this process = 79.10 seconds (round your response to two decimal places). b) The number of observations that are required for a 99% 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 Grasp and place bag Performance Rating Observation (seconds) 1 2 3 4 5 115% 9 8 7 10 8 Fill bag 80% 37 41 40 34 112 Seal bag 105% 15 16 14 20 17 Place bag on conveyor 90% 7 5 8 29A 35 *Bag breaks open; included as delay in the allowance factor A Conveyor jams, included as delay in the allowance factor a) The standard time for this process = 79.10 seconds (round your response to two decimal places). b) The number of observations that are required for a 99% confidence level within 5% accuracy observations (round your response up to the next whole number) =

Practical Management Science
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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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 Grasp and place bag Performance Rating Observation (seconds) 1 2 3 4 5 115% 9 8 7 10 8 Fill bag 80% 37 41 40 34 1121 Seal bag 105% 15 16 14 20 17 Place bag on conveyor 90% 7 5 8 29 35^ Bag breaks open; included as delay in the allowance factor * Conveyor jams, included as delay in the allowance factor a) The standard time for this process = 79 10 seconds (round your response to two decimal places) b) The number of observations that are required for a 99% confidence level within 5% accuracy observations (round your response up to the next whole number)
Transcribed Image Text: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 Grasp and place bag Performance Rating Observation (seconds) 1 2 3 4 5 115% 9 8 7 10 8 Fill bag 80% 37 41 40 34 1121 Seal bag 105% 15 16 14 20 17 Place bag on conveyor 90% 7 5 8 29 35^ Bag breaks open; included as delay in the allowance factor * Conveyor jams, included as delay in the allowance factor a) The standard time for this process = 79 10 seconds (round your response to two decimal places) b) The number of observations that are required for a 99% confidence level within 5% accuracy observations (round your response up to the next whole number)
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