An airline is given permission to fly 4 new routes of its choice. The airline is considering 12 new​ routes: 4 routes in​ Florida, 5 routes in​ California, and 3 routes in Texas. If the airline selects the 4 new routes at random from the 12 possibilities, determine the probability that 1 is in​ Florida, 1 is in​ California, and 2 are in Texas.