You are the newly appointed assistant administrator at a local hospital, and your first project is to investigate the quality of the patient meals put out by the food-service department. You conducted a 10-day survey by submitting a simple questionnaire to the 400 patients with each meal, asking that they simply check off that the meal was either satisfactory or unsatisfactory. For simplicity in this problem, assume that the response was 1,000 returned questionnaires from the 1,200 meals each day. The results are as follows: December 11 December 2 December 3 December 4 December 5 December 6 December 7 December 8 December 9 December 10. NUMBER OF UNSATISFACTORY MEALS 59 63 p bar Sp UCL LCL 62 36 64 43 60 52 68 67 574 SAMPLE SIZE 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 10,000 a. Determine the p. Sp. UCL and LCL based on the questionnaire results, using a confidence interval of 95.5 percent, which is two standard deviations Note: Round your answers to 4 decimal places.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
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Chapter2: Introduction To Spreadsheet Modeling
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You are the newly appointed assistant administrator at a local hospital, and your first project is to investigate the quality of the patient
meals put out by the food-service department. You conducted a 10-day survey by submitting a simple questionnaire to the 400
patients with each meal, asking that they simply check off that the meal was either satisfactory or unsatisfactory. For simplicity in this
problem, assume that the response was 1,000 returned questionnaires from the 1,200 meals each day. The results are as follows:
December 11
December 2
December 3
December 4
December 5
December 6
December 7
December 8
December 9.
December 10.
NUMBER OF
UNSATISFACTORY
MEALS
59
63
62
36
64
43
p bar
Sp
UCL
LCL
60
52
68
67
574
SAMPLE
SIZE
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
10,000
a. Determine the p. Sp. UCL and LCL based on the questionnaire results, using a confidence interval of 95.5 percent, which is two
standard deviations
Note: Round your answers to 4 decimal places.
Transcribed Image Text:You are the newly appointed assistant administrator at a local hospital, and your first project is to investigate the quality of the patient meals put out by the food-service department. You conducted a 10-day survey by submitting a simple questionnaire to the 400 patients with each meal, asking that they simply check off that the meal was either satisfactory or unsatisfactory. For simplicity in this problem, assume that the response was 1,000 returned questionnaires from the 1,200 meals each day. The results are as follows: December 11 December 2 December 3 December 4 December 5 December 6 December 7 December 8 December 9. December 10. NUMBER OF UNSATISFACTORY MEALS 59 63 62 36 64 43 p bar Sp UCL LCL 60 52 68 67 574 SAMPLE SIZE 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 10,000 a. Determine the p. Sp. UCL and LCL based on the questionnaire results, using a confidence interval of 95.5 percent, which is two standard deviations Note: Round your answers to 4 decimal places.
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