You are the newly appointed assistant administrator at a local hospital, and your first project is to investigate the quality of the patientmeals put out by the food-service department. You conducted a 10-day survey by submitting a simple questionnaire to the 400patients with each meal, asking that they simply check off that the meal was either satisfactory or unsatisfactory. For simplicity in thisproblem, assume that the response was 1,000 returned questionnaires from the 1,200 meals each day. The results are as follows.December 1December 2December 3December 4December 5December 6December 7December 8December 9December 10NUMBER OFUNSATISFACTORY MEALS77746270825050425458619SAMPLESIZE1,0001,0001,0001,0001,0001,0001,0001,0001,0001,00010,000 a. Determine the p, Sp, UCL and LCL based on the questionnaire results, using a confidence interval of 95.5 percent, which is twostandard deviations. (Round your answers to 4 decimal places.)PSpUCLLCLb. What comments can you make about the process?O The process is out of statistical control.O The process is in statistical control.

p-bar = Total defectives/Total inspected = 619/(1000*10) = 0.0619 Sp = SQRT [(p-bar * (1 -…

Answered: a. Determine the p, Sp, UCL and LCL…

Practical Management Science

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Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Problem 13-7 (Algo) Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table. SAMPLE 1 L23456TBSG : 15 15 15 15 15 15 15 15 15 15 7 8 9 10 n P Sp lucu NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE 1 3 2 2 22724N a. Determine the p. Sp. UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations). (Leave no cells blank. Round up any negative LCL value to "O". Round your answers to 3 decimal places.)
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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.) P Sp UCL LCL b. What comments can you make about the process?