@book{73939,
	author = {Spiegel, Murray R. and Schiller, Jonh J., },
	title = {Teoría y problemas de probabilidad y estadística },
	publisher = {McGraw-Hill Interamericano, },
	year = {2001},
	series = {Schaum},
	address = {Bogotá, Colombia :},
	edition = {2a ed.}
}