b) Using 95% confidence level, the upper and lower control limits are:

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.) Data Table 2 Sample (week) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Late Flights 6 2 12 1 3 1 13 7 10 O NAGAOvwNO Sample (week) 16 17 18 19 20 21 22 23 24 25 26 27 28 Late Flights 2 4 11 3 2 5 17 5 4 4 2 0 2 4 7 29 30