Your two best friends have each podcasted their favorite playlist to you. Amy’s list contains the songs Mary Had a Little Lamb, Mary Had a Little Lamb, and Baa Baa Black Sheep. Amy’s list has a 70% chance of being the one selected.

Brandon’s list has the pieces Mozart’s Eine Kleine Nacht Musik, Ravel’s Bolero, Mary Had a Little Lamb, and Tchaikovsky’s Nutcracker Suite and it has a 30% chance of being selected.

The playlists and probabilities are shown in the tree diagram below. You can assume the Shuffle mode will play selections from a playlist at random (each song has an equal probabi

Question

Your two best friends have each podcasted their favorite playlist to you. Amy’s list contains the songs Mary Had a Little Lamb, Mary Had a Little Lamb, and Baa Baa Black Sheep. Amy’s list has a 70% chance of being the one selected. 

Brandon’s list has the pieces Mozart’s Eine Kleine Nacht Musik, Ravel’s Bolero, Mary Had a Little Lamb, and Tchaikovsky’s Nutcracker Suite and it has a 30% chance of being selected.

The playlists and probabilities are shown in the tree diagram below. You can assume the Shuffle mode will play selections from a playlist at random (each song has an equal probabi