Asap 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'spolicy is a 20% allowance for workers (Round all intermediate calculations to two decimal places before proceeding with further calculations)ElementGrasp and place bagPerformanceRatingObservation (seconds)12345115%987108Fill bag80%374140341121Seal bag105%1516142017Place bag on conveyor90%7582935^Bag breaks open; included as delay in the allowance factor* Conveyor jams, included as delay in the allowance factora) 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)

Job elementobservations in (seconds)Performance rating12345Grasp and place bag987108115%Fill…

Answered: The Dubuque Cement Company packs…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter4: Linear Programming Models

Section4.8: Data Envelopment Analysis (dea)

Problem 41P

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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 5Grasp and place bag 105 9 10 7 12 8Fill bag 85 36 41 38 36 112Seal bag 100 16 17 12 21 18Place 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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