Which of the following is an example of empirical probability? a. there are 24 chocolates in a box, and 13 of them have nuts. the probability a chocolate has nuts is 13/24 . b. sara put 5 black marbles and 3 white marbles in a bag. the probability of selecting a black marble is 5/8 . c. there are 13 songs on a cd, and 4 of them are hip-hop. the probability a randomly selected song is hip-hop is 4/13. d. nick tried a skateboard trick 7 times and succeeded 2 times. the probability of success is 2/7.