00420nam a2200157 a 450000500170000002000180001708200150003510000230005024500600007326000540013330000240018760000080021163000310021985600060025085600060025620251203112501.0  a9788173717444  a519.2bSHA  aRao, G. Shankard_  aProbability and statisticsbfor science and engineering  aHyderabadbUniversity press (India) pvt.Ltdc2011  axv,506p.c22cm.bPB  bc_  aProbability and statistics  f_  a_