Shaft graves in ancient Greece. Refer to the American Journal of Archaeology (Jan. 2...

Shaft graves in ancient Greece. Refer to the American Journal of Archaeology (Jan. 2014) study of shaft graves in ancient Greece, Exercise 2.37 (p. 50). Let x represent the number of decorated sword shafts buried at a discovered grave site. Explain why x is a discrete random variable.

Reference: Exercise 2.37