One of New England Air's top competitive priorities is on-time arrivals. Quality VP Clair Bond decided to personally monitor New England Air's performance. Each week for the past 30 weeks, Bond checked a random sample of 100 fight arrivals for on-time performance. Click the icon to view the table that contains the number of flights that did not meet New England Air's definition of on time. a) The overall fraction of late flights is (enter your response as a real number rounded to two decimal places) Using a 95% confidence level, the upper and lower control limits are Upper controllimit (UCL) (enter your response as a fraction between 0 and 1, rounded to four decimal places) Lower controllimit (LCL₂)=(enter your response as a fraction between 0 and 1, rounded to four decimal places). b) Assume that the airline industry's upper and lower control limits for flights that are not on time are 0.1000 and 0.0300, respectively. Choose the correct control chart below. OA 0.10 80.00 0.02 $ 0.00+ OA 0.06 c) Choose the chart below that correctly plots the percentage of late flights in each sample 0.00 10 Sample Yes Q Q Q Q Sample Do all samples fall within New England Air's control limits? O No When one falls outside the control limits, what should be done? OA. Find new control limits so that each sample falls within new limits OB. An investigation, leading to corrective action, should be done. OC. Nothing should be done. d) What can Clair Bond report about the quality of service? OA. Clair needs to report that the airline meets both its own standards and the industry standards. OB. Clair needs to report that the airline meets its own standards, but does not meet the industry standards OC. Clair needs to report that the airline meets the industry standards, but does not meet its own standards. OD. Clair needs to report that the airline meets neither its own standards nor the industry standards 0.12 0.10 80.00 $any 0.00+ OB 10.12 0.00 Sample Sample Q C Oc 0.12 0.10 80.00 0.04 $0024 0.00- OC 10.12 0.00 Sample Sample Q Q C
One of New England Air's top competitive priorities is on-time arrivals. Quality VP Clair Bond decided to personally monitor New England Air's performance. Each week for the past 30 weeks, Bond checked a random sample of 100 flight arrivals for on-time performance. Click the icon to view the table that contains the number of flights that did not meet New England Air's definition of on time. a) The overall fraction of late flights is (enter your response as a real number rounded to two decimal places.) Using a 95% confidence level, the upper and lower control limits are: Upper control limit (UCL) = Lower control limit (LCLp) = b) Assume that the airline industry's upper and lower control limits for flights that are not on time are 0.1000 and 0.0300, respectively. Choose the correct control chart below. O A. Percentage of late flights 0.14- 말 0.12- 0.10- 0.08- 0.06- 0.04- 0.02- 0.00- O A. Percentage of late flights O O c) Choose the chart below that correctly plots the percentage of late flights in each sample. 0.16- 0.12- 0.08- 0.04- 0.00+ 10 Yes No 20 Sample 10 (enter your response as a fraction between 0 and 1, rounded to four decimal places). (enter your response as a fraction between 0 and 1, rounded to four decimal places). Sample Do all samples fall within New England Air's control limits? Q 30 When one falls outside the control limits, what should be done? OA. Find new control limits so that each sample falls within new limits. O B. An investigation, leading to corrective action, should be done. O C. Nothing should be done. d) What can Clair Bond report about the quality of service? O A. Clair needs to report that the airline meets both its own standards and the industry standards. O B. Clair needs to report that the airline meets its own standards, but does not meet the industry standards. O C. Clair needs to report that the airline meets the industry standards, but does not meet its own standards. O D. Clair needs to report that the airline meets neither its own standards nor the industry standards. O B. 0.147 0.12- 0.10- 0.08 0.06- 0.04- Percentage of late flights 0.02- 0.00- O B. 0.16- 0.12- 0.08 0.04- 0.00- 10 10 20 Sample 20 Sample 30 30 Q Q ✔ O C. 0.14- 말 0.12- 0.10- 0.08 Percentage of late flights 0.06- 0.04- 0.02- 0.00- O C. 0.167 0.12- 0.08- 0.04- 0.00- 10 10 20 Sample 20 Sample 30 si 30 Q Q Q
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