April is randomly choosing five CDs to bring in her car from the following: 6 pop CDs, 8 rock CDs, and 10 R&B CDs.What is the complement of April choosing five pop CDs?

The complement of an event includes every outcome in which that event does not happen. The event is choosing five CDs that are all pop, so its complement is choosing five CDs where they are not all pop. This includes choices with no pop CDs or with a mix of pop and other kinds, so the correct choice is “choosing five CDs where not all of them are pop.”

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