The probabilities are 0.42 , 0.21 , 0.29 , and 0.08 , respectively, that a delegate to a certain convention arrived by air, bus, automobile, or train. What is the probability that among 13 delegates randomly selected at this convention, 5 arrived by air, 4 arrived by bus, 2 arrived by automobile, and 2 arrived by train? The probability is (Round to four decimal places as needed.).