7. In a random room, somewhere in Denver, 8 guitarists, 4 drummers, and 3 bass guitar players await an audition with Mindy Ramirez, a fledgling musician. She is going to pick two people at
random to try out for her band. Create a tree diagram below considering she will pick one
musician randomly, then the second. Find the below probabilities:
a.
P(2 drummers) =
b. P(2 guitar players) =
C.
P(2 bass guitar players) =
d. P(1 drummer and 1 guitar player) =