Help on a question geometry

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

1: 4 if the wew 35 surfboards at the beach how many were short boards?

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.