Question in picture

someone me with this, i've been trying to figure it out for literal hours : (
pls dont waste the answer spot if you don't know the answer, .

25 points and will mark brainliest if you can do this.

Mahnoor randomly selects times to walk into a local restaurant and observe the type of music being played she found that the restaurant was playing country 11 times rock & roll 17 times and blues 8 times use the observed frequencies to create a probability model for the type of music the restaurant is playing the next time mahnoor walks in.