An airline has a policy of booking as many as 25 persons on an airplane that can only seat 24. (Past studies have revealed that only 85% of the booked passengers actually arrive for the flight.) Find the probability that if the airline books 25 persons, not enough seats will be available.

If the probability of an event occurring is 'p', then the probability of that event occurring 'n' times in a row is p^n. For this problem you have to calculate the probability of a passenger showing up 25 times in a row.

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