An Uber driver charges$.45 a mile with an initial fee of $3. A lift driver charges $.55 per mile with an initial fee of $2. When will the cost of using Lift be greater than taking Uber?

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?