Classic Vinyl
A music collector has 15 unopened classic rock albums in her collection. Suppose she decides to select three to sell at an upcoming auction.
a. How many different ways are there to select three albums from her collection?
b. Suppose the albums are selected at random and five are by the Beatles. What is the probability that all three selected will be by the Beatles?
c. What is the probability that none of the three will be by the Beatles?
d. Suppose that one album is by the Doors. What is the probability that this album is not selected?