Problem 10-26 (Static) 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 1 December 2 December 3 December 4 December 5 December 6 December 7 December 8 December 9 December 10 NUMBER OF UNSATISFACTORY MEALS 74 42 64 se 4e 5e 65 70 4e 75 600 SAMPLE SIZE 1, eee 1, eee 1. eee 1, eee 1, cee 1, eee 1, 1, ese 1, eee 1,000 10, vee 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.) Problem 10-26 (Static) You are the newly appointed assistant administrator at a loc meals put out by the food-service department. You conduct patients with each meal, asking that they simply check off th problem, assume that the response was 1,000 returned que NUMBER OF UNSATISFACTORY MEALS 42 64 December 1 December 2 December 3 December 4 December 5 December 6 December 7 December 8 December 9 December le SAMPLE SIZE 1,800 1,000 1,000 1,eee 1, see 1,280 58 65 1.ee 1,000 48 75 bee ie, see a. Determine the p, Sp UCL and LCL based on the questionnaire results, using a confidence interval of 955 percent, which is TWO standard deviations. (Round your answers to 4 decimal places.) p bar Sp UCL LCL b. What comments can you make about the process? The process is out of statistical control. The process is in statistical control Problem 10-26 (Static) 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 MEALS 74 SAMPLE SIZE 1. eee 1. eee December 2