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Using concepts of probability, it is found that there is a 4.7% probability that it arrives in Philadelphia (PHL).

What is a probability?

  • A probability is given by the number of desired outcomes divided by the number of total outcomes.
  • Over a large number of trials, a percentage can also represent the probability of  single event.

In this question, researching the problem on the internet, we have that over a large number of flights, of those which arrived on time, 4.7% of them were in Philadelphia, hence:

  • There is a 4.7% probability that it arrives in Philadelphia (PHL).

You can learn more about probabilities at https://brainly.com/question/15536019