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MY NOTES ASK YOUR TEACHER An airline operates a call center to handle customer questions and complaints. The airline monitors a sample of calls to help ensure that the service being provided is of high quality. Ten random samples of 100 calis each were monitored under normal conditions. The center can be thought of as being in control when these 10 samples were takim The number of calls in each sample not resulting in a satisfactory resolution for the customer is as follows 4 5 4 (a) What is an estimate of the proportion of calls not resulting in a satisfactory outcome for the customer when the center is in control (b) Construct the upper and lower limits for a chart for the manufacturing process, assuming each sample as 100 calls Round your answers to four decimal places.) UCL UCL (C). With the results of part ( what conclusion should be made if a sample of 100 has 11 call not resulting in a satisfactory resolution for the customer? Since - Select the control limits, the process is set for the sample (d) Compute the upper and lower Anits for the ho chart. (Round your answers to three decimal places) UCL = LCL