Ali bought 2.15 pounds ogf turkey at 7.89 per pound and 1.87 poundb lamb at 7.89 per pound which expression does not show the total cost, in dollars, of her purchase?

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?