Using the Notation C = Continuous and D = Discrete

Using the notation C = continuous and D = discrete, indicate whether each of the
random variables is discrete or continuous.
a) The number of steps to the principal's office from a randomly selected location
at a particular school.
b) The average night time temperature on a randomly selected day in July at Long's
Peak in Colorado
c) The number of eggs in a kitchen on a randomly selected day.
d) The number of sentences in a short story selected at random from a collection
of short stories.
e) The circumference of a randomly selected California redwood tree