Paolo, from Exercise 5.50, and Samantha, from Exercise 5.52, are siblings. What is the probability that he’ll randomly select a piece of black paper or that her iPod will randomly select a reggae song?

Data from exercise 5.50

Paolo, a kindergarten student was given a pack of colored construction paper with 10 pages each of red, orange, yellow, green, blue, indigo, violet, black, and white. His favorite color is green. What is the probability, if he selects a piece at random, of picking a green piece?

Data from exercise 5.52

Samantha likes a wide variety of music. Her iTunes library is 10% rock, 7% pop, 11% show tunes, 8% classical, 15% reggae, 18% hip-hop, 17% rap, and 14% electronic. If she sets her iPod to shuffle, what is the probability that the first song played won’t be a show tune or classical?