Probability & statistics for engineers & scientists / Probability and statistics for engineers and scientists Ronald E. Walpole ... [et al.] - 9th ed. - Boston, MA : Prentice Hall, c2012 - xx, 791 p. : ill. ; 24 cm. Includes index ISBN: 9780321629111 0321629116 9780321748232 Subjects--Topical Terms: Engineering--Statistical methodsProbabilities