i still dont understand this problem can someone help on question 7 ......

7.A campus radio station surveyed 500 students to determine the types of music they like. The survey revealed that 200 like rock, 165 like country, and 118 like jazz. Moreover, 29 like rock and country, 22 like rock and jazz, 27 like country and jazz, and 11 like all three types of music. What is the probability that a randomly selected student likes country but not rock?

a) 0.2400

b) 0.2620

c) 0.3300

d) 0.2980

e) 0.2720