A group of marketing researchers for a popular cell phone manufacturer collected the following information about young adults (aged 18–25): 1% use a cell phone that is 3 years or older, 2% use a cell phone that is 2–3 years old, 20% use a cell phone that is 1–2 years old, and 77% use a cell phone that is less than 1 year old. Suppose a young adult was selected at random. Let X equal the age of a randomly selected person’s cell phone. Which of the following is the probability distribution for the age of that person’s cell phone?