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You are a quality advisor of a local school, Where food is served to the students. You are currently investigating the quality of student's meal put out by the cafeteria. You conducted a 10-day survey by submitting a simple questionnaire to 1200 students, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The response was 1000 returned questionnaire from the 1200 students each day. The result are as follows. Number of unsatisfactory meals Day 1 74 Day 2 42 Day 3 64 Day 4 Day 5 Day 6 Day 7 Day 8 80 40 50 65 70 Day 9 40 Day 10 75 A) Is this process under control using a confidence interval of 9.5 percent? B) What comments can you make about the results of the survey based on the control chart?

You are a quality advisor of a local school, Where food is served to the students. You are currently investigating the quality of student's meal put out by the cafeteria. You conducted a 10-day survey by submitting a simple questionnaire to 1200 students, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The response was 1000 returned questionnaire from the 1200 students each day. The result are as follows. Number of unsatisfactory meals Day 1 74 Day 2 42 Day 3 64 Day 4 Day 5 Day 6 Day 7 Day 8 80 40 50 65 70 Day 9 40 Day 10 75 A) Is this process under control using a confidence interval of 9.5 percent? B) What comments can you make about the results of the survey based on the control chart?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
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Please try to do math in hand written

You are a quality advisor of a local school, Where food is served to the students. You are currently investigating the quality of student's meal put out by the cafeteria. You conducted a 10-day survey by submitting a simple questionnaire to 1200 students, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The response was 1000 returned questionnaire from the 1200 students each day. The result are as follows. Number of unsatisfactory meals Day 1 74 Day 2 42 Day 3 64 Day 4 80 Day 5 40 Day 6 50 Day 7 65 Day 8 70 Day 9 40 Day 10 75 A) Is this process under control using a confidence interval of 9.5 percent? B) What comments can you make about the results of the survey based on the control chart?
Transcribed Image Text:You are a quality advisor of a local school, Where food is served to the students. You are currently investigating the quality of student's meal put out by the cafeteria. You conducted a 10-day survey by submitting a simple questionnaire to 1200 students, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The response was 1000 returned questionnaire from the 1200 students each day. The result are as follows. Number of unsatisfactory meals Day 1 74 Day 2 42 Day 3 64 Day 4 80 Day 5 40 Day 6 50 Day 7 65 Day 8 70 Day 9 40 Day 10 75 A) Is this process under control using a confidence interval of 9.5 percent? B) What comments can you make about the results of the survey based on the control chart?
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