Ab is tangent to circle o at b. what is the length of the radius r?
a. 15.4
b. 1.7
c. 6.1
d. 2.9

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.