Alfred JF-Expert Member Joined Apr 13, 2008 Posts 2,171 Reaction score 2,984 Sep 21, 2016 #21 PASCHAL'S SON said: Jamani kwa anayejiweza kuprove fomula atusaidie 1.MEDIAN 2.MEAN 3.VARIANCE 4.AP&GP 5.SETS Click to expand... Ni mp nikuprovieee.... PCM apaa
PASCHAL'S SON said: Jamani kwa anayejiweza kuprove fomula atusaidie 1.MEDIAN 2.MEAN 3.VARIANCE 4.AP&GP 5.SETS Click to expand... Ni mp nikuprovieee.... PCM apaa
brigedia mafia JF-Expert Member Joined Jul 21, 2016 Posts 2,260 Reaction score 2,279 Sep 22, 2016 #22 Daren Dedan said: n(AUB)=n(A)+n(B)-n(AnB) hence proved... Click to expand... Let A=1,2,3 n(A)=3______________eqn(1) B =3,4,5 n(B)=3________________eqn(2) AnB=3 n(AnB)=1_________________eqn(3) AUB=1,2,3,4,5 n(AUB)=5______________________eqn(4) From n(AUB)=n(A)+n(B)-n(AnB)______________eqn ****** then insert eqns ,1,2,3,and 4 into star star eqn **** Hence 5=3+3-1 5=5 Since LHS=RHS Hence shown
Daren Dedan said: n(AUB)=n(A)+n(B)-n(AnB) hence proved... Click to expand... Let A=1,2,3 n(A)=3______________eqn(1) B =3,4,5 n(B)=3________________eqn(2) AnB=3 n(AnB)=1_________________eqn(3) AUB=1,2,3,4,5 n(AUB)=5______________________eqn(4) From n(AUB)=n(A)+n(B)-n(AnB)______________eqn ****** then insert eqns ,1,2,3,and 4 into star star eqn **** Hence 5=3+3-1 5=5 Since LHS=RHS Hence shown