Write the equation of a circle with endpoints of the diameter located at' (-6, 1) and (4,-9) A. (x-1)^2 + (y-4)^2 =200
B. (x-1)^2 + (y+4)^2 =50
C. (x+1)^2 + (y+4)^2 = 200
D. (x-1)^2 + (y-4)^2 = 50

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?