Suppose you want to sample the music of a band you haven't heard before. You're given 5 CDs, each with 12 tracks. You'll use a probability method to sample 5 tracks to play.
a. Describe (briefly) how you would carry out a simple random sampling method to pick the 5 tracks.
b. Describe (briefly) how you would carry out a stratified sampling method to pick the 5 tracks.
c. Describe briefly how you would carry out a cluster sampling method to pick the 5 tracks.