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.