Question 1: [1 + 1 + 1 + 2 = 5 marks] An NZ domestic airline company advertises that 100% of their flights are on time after randomly checking 30 flights from the previous day and finding that all 30 flights were on time. Flights are defined as being on time if they arrive no laterthan 5 minutes after their scheduled arrival time. a) What is population of interest? b) What is the sample? c) Was this a representative sample? Provide one piece of justification. d) How could the company better determine the percentage of their flights that are on time