In the Illinois Lottery game Little Lotto, an urn contains balls numbered 1 to 39. From this

Question:

In the Illinois Lottery game Little Lotto, an urn contains balls numbered 1 to 39. From this urn, 5 balls are chosen randomly, without replacement. For a $1 bet, a player chooses one set of ﬁve numbers. To win, all ﬁve numbers must match those chosen from the urn. The order in which the balls are selected does not matter. What is the probability of winning Little Lotto with one ticket?