Out of 27 participants in a track race, 5 are from china, 4 from the u. s.a., 3 each from the u. k. and russia, and the rest from other countries. the names of each participant are put in a hat and drawn at random to see who gets lane 1 in the race. what is the probability that the participant who gets lane 1 is from the u. s.a.? write your answer as a decimal rounded to the nearest thousandth.