Question

Air-USA has a policy of booking as many as 21 persons on an
airplane that can seat only 20. (Past studies have revealed that
only 85% of the booked passengers actually arrive for the
flight.)

Find the probability that if Air-USA books 21 persons, not enough
seats will be available.

prob =

Is this probability low enough so that overbooking is not a real
concern for passengers if you define unusual as 5% or less?

- no, it is not low enough to not be a concern
- yes, it is low enough not to be a concern

What about defining unusual as 10% or less?

- no, it is not low enough to not be a concern
- yes, it is low enough not to be a concern

Answer #1

Air-USA has a policy of booking as many as 21 persons on an
airplane that can seat only 19. (Past studies have revealed that
only 88% of the booked passengers actually arrive for the
flight.)
Find the probability that if Air-USA books 21 persons, not enough
seats will be available.
prob =
Is this probability low enough so that overbooking is not a real
concern for passengers if you define unusual as 5% or less?
yes, it is low enough...

An airline company is considering a new policy of booking as
many as 191 persons on an airplane that can seat only 170. (Past
studies have revealed that only 81% of the booked passengers
actually arrive for the flight.) Estimate the probability that if
the company books 191 persons. not enough seats will be
available.

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