Suppose 10% of the flights arriving at an airport arrive early, .

wtf is this.

Suppose 10% of the flights arriving at the airport arrive early.

Suppose 10% of the flights arriving at the airport arrive early.

To find the answer, we need to know what information you are looking for regarding the 10% of flights that arrive early at an airport. Could you please provide more details or the specific question you would like me to help with?