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 Fill bag Seal bag Place bag on conveyor Performance Rating 110% 80% 100% 85% 1 8 35 15 D) The number of observations that are required for a 90% confidence level within 5% accuracy = 7 * 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 = seconds (round your response to two decimal places). Observation (seconds) 2 8 42 17 5 3 8 38 14 9 4 11 35 19 30^ B) The number of observations that are required for a 99% confidence level within 5% accuracy = immediate higher whole number). C) The number of observations that are required for a 95% confidence level within 5% accuracy = observations (round your response up to the next whole number). (round your response to the 5 8 110* 18 36^ D₂₁ 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 Fill bag Seal bag Place bag on conveyor Performance Rating 110% 80% 100% 85% 1 8 35 15 D) The number of observations that are required for a 90% confidence level within 5% accuracy = 7 * 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 = seconds (round your response to two decimal places). Observation (seconds) 2 8 42 17 5 3 8 38 14 9 4 11 35 19 30^ B) The number of observations that are required for a 99% confidence level within 5% accuracy = immediate higher whole number). C) The number of observations that are required for a 95% confidence level within 5% accuracy = observations (round your response up to the next whole number). (round your response to the 5 8 110* 18 36^ D₂₁ 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.
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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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
Fill bag
Seal bag
Place bag on conveyor
Performance
Rating
110%
80%
100%
85%
1
8557
35
15
* 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 = seconds (round your response to two decimal places).
Observation (seconds)
2
8
42
17
5
3
8
' 38 14 9
4
11
35
19
30^
B) The number of observations that are required for a 99% confidence level within 5% accuracy = (round your response to the
immediate higher whole number).
C) The number of observations that are required for a 95% confidence level within 5% accuracy =
observations (round your response up to the next whole number).
5
8
110*
18
36^
D) 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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