4 6 3 2 3 3 4 6 4 5 (a) What is an estimate of :he proportion of calls not resulting in a satisfactory outcome for the customer when the center is in control? E (b) Construct the upper and lower limits for a p chart for the manufacturing process, assuming each sample has 100 calls. (Round your answers to four decimal places.) (c) With the results of part (b), what conclusion should be made if a sample of 100 has 12 calls not resulting in a satisfactory resolution for the customer? Since 5 = :l is the control limits, the process is for the sample. (d) Compute the upper and lower limits for the np chart. {Round your answers to three decimal places.) (e) With the results of part (d), what conclusion should be made if a sample of 100 calls has 12 not resulting in a satisfactory conclusion for the customer? Since the number of calls not resulting in a satisfactory conclusion is the control limits, the process is for the sample