answer all questions with explanation in your own words and dont copy paste

The service industry found the following non-confirming returns out of 300 items delivered each day for 25 days. Non Non Day confirming Day confirming 12 14 2 3 15 O 13 9 16 5 4 17 0 18 6 6 19 16 7 6 20 2 8 1 21 6 9 22 G 10 11 23 0 11 2 24 12 10 25 13 9 Find out Suitable chart to state if the service industry is doing good work. What are the trial control limits Justify for the selection of the chart type