l. (5pts) Label the following random variables as discrete (D) or continuous (C): (a) The number of heads in a sequence of 15 coin tosses. (b) The amount of electricity used by a random Los Angeles household in June 2021. (c) The height of a randomly selected LAC-C student. (d) The number of cars which take the Vermont. Ave. exit in the Span of one hour. (e) The number of credit hours in which a randomly selected LACC student is currently enrolled