Asmall commuter airline is concerned about reservation no-shows and, correspondingly, how much they should overbook flights to compensate. assume their commuter planes will hold 20 people. industry research indicates that 24% of people making a reservation will not show up for a flight. whether or not one person takes the flight is considered to be independent of other persons holding reservations. if the airline decided to book 31 reservations, what is the probability that there will be at least one empty seat on the plane?