The volume of a sphere can be calculated as V= 4/3pir^3 where r is it’s radius. If the volume of a sphere is 87.1137 cubic feet, what is the radius? Round your answer to the nearest hundredth of a foot.​

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?