Chris worked 45 hours at the library last week. If he gets time and a half for overtime and his regular pay rate is $15.75. How much did he make for each hour of overtime? *

a.5 5
b. 15.75
c. 23.63
d. 31.50

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.