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vFkZ'kkL=k esa lkaf[;dh; fof/;k¡                                    Dilfraz Singh, Lovely Professional University




                    uksV




                                        bdkbZμ26: izkf;drk dk fl¼kar% ifjp; ,oa mi;ksx
                                    (Theory of Probability: Introduction and Uses)









                                     vuqØef.kdk (Contents)
                                     mís'; (Objectives)
                                     izLrkouk (Introduction)

                                      26.1 izkf;drk fl¼kar dk izknqHkkZo ,oa fodkl  (Origin and Development of Theory of Probability)
                                      26.2 izkf;drk dk vFkZ ,oa ifjHkk"kk (Meaning and Definition of Probability)
                                      26.3 izkf;drk fl¼kar osQ mi;ksx (Uses of Probability Theory)
                                      26.4 lkjka'k (Summary)
                                      26.5 'kCndks'k (Keywords)
                                      26.6 vH;kl&iz'u (Review Questions)
                                      26.7 lanHkZ iqLrosaQ (Further Readings)



                                  mís'; (Objectives)


                                  bl bdkbZ osQ vè;;u osQ i'pkr~ fo|kFkhZ ;ksX; gksaxsμ
                                    • izkf;drk fl¼kar osQ izknqHkkZo ,oa fodkl dh O;k[;k djus esaA
                                    • izkf;drk dk vFkZ ,oa ifjHkk"kk dks le>us esaA
                                    • izkf;drk fl¼kar osQ mi;ksx dh foospuk djus esaA

                                  izLrkouk (Introduction)


                                  vfuf'prrk gekjs thou dk ,d vfHkUu vax gSA ;|fi Hkfo"; osQ ckjs esa lgh tkudkjh gksuk ekuoh; 'kfDr
                                  ls ijs dh ckr gS] ysfdu bu Hkkoh ?kVukvksa osQ izfr ge viuk vuqeku izk;% izkf;drk osQ :i esa O;Dr djrs
                                  gSaA Hkys gh ;s vuqeku 'kr&izfr'kr Bhd gksa vFkok 'kr&izfr'kr xyrA mnkgj.k osQ rkSj ij] iSnk gksus okyk f'k'kq
                                  5 yk[k dk MªkÝV gksxk ;k 10 yk[k dh gq.Mh] Hkkoh iRuh pUnzdkUrk gksxh ;k lqi.kZ[kk dk vorkj] ykVjh dh
                                  fVdV vkidks y[kifr cuk,xh ;k ugha] okLro esa] Hkfo"; osQ ckjs esa bu dYiukvksa (izR;k'kk) osQ lgkjs gh
                                                                                                1
                                  euq"; thrk gSA blh izdkj flDdk mNkyus ij mlosQ fpr (head) fxjus dh lEHkkouk   gS] vxys pquko esa Hkh
                                                                                               2
                                  Hkktik ljdkj osQ thrus dh izcy lEHkkouk gS] Hkkjr osQ fo'o fØosQV di thrus dh 90% izkf;drk gS] 21oha
                                  'krkCnh osQ izFke n'kd esa ekuo osQ eaxy&xzg (Mars) ij dne j[kus dh 70% lEHkkouk gS bR;kfnA




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