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# an airline has a policy of booking as many as 21 persons on a plane that can only seat 20. Past studies have revealed that only 88% of the booked...

an airline has a policy of booking as many as 21 persons on a plane that can only seat 20. Past studies have revealed that only 88% of the booked passengers actually arrive for the flight. find the probability that if the airline books 21 persons there will not be enough seats will be available