Determine whether the values are continuous random variable

\fDetermine whether the following value is a continuous random variable, discrete random variable, or not a random variable. a. Is the amount of rainfall in a month is a discrete random variable, continuous random variable, or not a random variable? O A. It is a discrete random variable. O B. It is a continuous random variable. O C. It is not a random variable. b. Is the list of books listed for a book club event a discrete random variable, continuous random variable, or not a random variable? O A. It is a discrete random variable. O B. It is a continuous random variable. O C. It is not a random variable. C. Is the number of cars a dealership owns a discrete random variable, continuous random variable, or not a random variable? O A. It is a discrete random variable. O B. It is a continous random variable. O C. It is not a random variable