The following data represent the arrival status of American Airlines Flight 0715 from Washington DC's Ronald Reagan

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The following data represent the arrival status of American Airlines Flight 0715 from Washington DC's Ronald Reagan Airport to Chicago's O'Hare International Airport for 15 consecutive flights.

L O O O O O O L L L O L O O O

Status is indicated as on time (O) or late (L), defined as more than 10 minutes after the scheduled arrival. What can you conclude about the randomness of the arrival status at the α = 0.05 level of significance?

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