Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable.
(a) The number of students in a randomly selected elementary school classroom
(b) The amount of snow that falls in Minneapolis during the winter season
(c) The ﬂight time accumulated by a randomly selected Air Force ﬁghter pilot
(d) The number of points scored by the Miami Heat in a randomly selected basketball game