Page 144 - Math Grade 12 (Advance)
P. 144

PROEUS DARA



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                      e:!i
                                  b
            2.    &iSSJ~~~~s~=n~s x
            2 .1.  nt~tit4JtHnYlfitlutn 14 8


                  ~li't:flol tf:Ht:ngLmli9JnijlA~ ruLmli8~ s  120  tlb  tffi rut?ln~Lmru2o rutru2 ~tl ru
                                     1
                            0  c,l
                                           I
                                  C)
                   I
             ms tt1 ncrij mnijmnnt~ mntLlinb21b tun1§"  :
                    1


                     X         I        2       3       4        5       6

                  tLtJnti t    15      22       23      19      23       18     n1m  = 120
                                                                                  1
                                             ffl1§"m1§"S  X=  I.fx  = 15+44+69+76+115+108
                                                u   n      I.f              120
                                                                 427
                                                               = 120

                                                               = 3.558  '1





                   0  el   eJ     0         ";)
                  mn.nbmnLlit:ntJmmg~·H13HtH:1SJ x
                             u                              X       I   2    3   4    5   6
            ~tlru x  dl"  tru2~tlrumm trJrutmrng
                                     """0                           1   I    I   1    1   1
                                                         P(X = x)
            Lmli9JnijlA~ruLmli"  t?lrnsti~n.nb~Gn                   6   6    6   6    6   6
                  1
            it10'1titlG21b Nl  :
             l.i   u     n
             u
                  t?lffim n£1 C~1§"Bm ffl1§"ig ~ t til 1:15?1 n.n n s S1§" ru ")  sb £1 C1§"it1Lfllim n5 n 15 Sltl1§" n tti
                            ..  u      l.i  "     1    "'   1J      ""l.i           "'      "
                                                       1               u
            l_Y't:fln.n~ti\1n '1

                                        1     1     1     1      1     1
                                  =  1X-+2X-+3X-+4X-+5X-+6X-
                                       6      6     6     6     6      6
                                     21
                                   -6

                                                                 [:1
                                   = 3.5  £1 t~ 's H'Uli m £1 t~YtlJY r nHu ~'ij ~ 1i  tt M ~'ij R M ri '1
                  'rub h) t~ £1 till QJ m £1 t~ ~tl ru h)~1§"~ n t s g Lm.m ALli ~'iJl ru sb £1 t~1§"BJ1§" ~tl ru~ n ffl1§"










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