In problem 2-12, assume that 3 million out of 18 million users could not use their devices

Question:

In problem 2-12, assume that 3 million out of 18 million users could not use their devices as cell phones, and that 1 million could not use their devices as a cell phone and for data device. What is the probability that a randomly chosen device could not be used either for data or for voice communication?