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: NUMBER OF UNSATISFACTORY SAMPLE MEALS SIZE 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 10,000 December 1 42 December 2 December 3 December 4 47 63 December 5 December 6 December 7 48 60 62 43 December 8 62 December 9 66 December 10 53 [s23)]
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: NUMBER OF UNSATISFACTORY SAMPLE MEALS SIZE 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 10,000 December 1 42 December 2 December 3 December 4 47 63 December 5 December 6 December 7 48 60 62 43 December 8 62 December 9 66 December 10 53 [s23)]
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 13CYU
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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:
NUMBER OF
UNSATISFACTORY
SAMPLE
MEALS
SIZE
December 1
42
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
December 2
47
December 3
63
December 4
December 5
60
December 6
December 7
62
43
62
66
53
December 8
December 9
December 10
[s23)]
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. (Round your answers to 4 decimal places.)
Sp
UCL
LCL
sH LO LO](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa3929d5b-0872-42ba-b021-55cb5b607a80%2F2debae98-cbe4-4437-b890-2be328e00ba9%2Fscf4mpj_processed.png&w=3840&q=75)
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:
NUMBER OF
UNSATISFACTORY
SAMPLE
MEALS
SIZE
December 1
42
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
December 2
47
December 3
63
December 4
December 5
60
December 6
December 7
62
43
62
66
53
December 8
December 9
December 10
[s23)]
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. (Round your answers to 4 decimal places.)
Sp
UCL
LCL
sH LO LO
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