Walpole, Ronald E. Probability and Statistics for Engineers and Scientists - 9th ed. - Upper Saddle River, N.J. : Prentice Hall, 2012 - xii, 791 p. : ill. (some col.) ; 26 cm. Includes bibliographical references (p. 667-669) and index. ISBN: 9780321629111 LCCN: 97043762 LC Class. No.: TA340 / .W35 1998 Dewey Class. No.: 519.02462 PRO