Find the probability that among the first 5 songs played you like 2 of them

Suppose a compact disk (CD) you just purchased has 18 tracks. After listening to the CD, you decide that you like 7 of the songs. The random feature on your CD player will play each of the 18 songs once in a random order. Find the probability that among the first 5 songs played (a) you like 2 of them; (b) you like 3 of them; (c) you like all 5 of them. (a) Find the probability that among the first 5 songs played you like 2 of them. (Round to four decimal places as needed.)