Use the Following Information for Questions

Use the following information for questions:
A student is randomly selected from a large college. Define the events C = {the student owns a cell phone} and I = {the student owns an iPod}.
-Which of the following is the correct notation for the percentage of students who own a cell phone but not an iPod?

A) P(C|I)
B) P(C|I^C)
C) P(C^C and I)
D) P(C and I^C)