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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

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 SAMPLE SIZE
December 1711,000
December 2351,000
December 3521,000
December 4791,000
December 5501,000
December 6381,000
December 7431,000
December 8661,000
December 9481,000
December 10791,000
56110,000
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.
What comments can you make about the process?
multiple choice
The process is out of statistical control.
The process is in statistical control.

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