Page 206 - Grade 10 C.Math

oxfF klxn]sf] eGbf bf];|f]sf] ;DefJotf 36]sf] 5 lsgeg] klxnf] 36gfn] bf];|f] 36gfnfO{ c;/
kf/]sf] 5 . o:tf] 36gfnfO{ k/fl>t 36gf elgG5 .

t;y{ s'g} k/LIf0fdf Pp6f 36gf 36\bf csf]{ 36gfsf] ;DefJotfdf k|efj kfg]{ 36gfx¿nfO{
k/fl>t 36gf (dependent events) elgG5 .

Curriculum Development Centre
pbfx/0f 2
Ps ;]6 52 kTtL tf;nfO{ /fd|/L lkm6]/ klxn] lgsfn]sf] tf; k'gM g/fvL Pskl5 csf]{

ub}{ 2 cf]6f tf; lgsfNbf b'j} tf; afbzfx (K) g} kg]{ ;DefJotf slt x'G5 < kTtf nufpg'xf];\ .

;dfwfg

oxfF s'n tf;sf] ;ª\Vof n(S) = 52

afbzfxsf] ;ª\Vof n(K) = 4

P(K, K) = ?

P(K, K) = P (K) x P (K)
1 2


[ klxn] lgsfn]sf] tf; k'gM g/fVbf]

pbfx/0f 3

Pp6f kl/jf/df hGd]sf aRrfx¿df ltg cf]6} 5f]/f jf 5f]/L x'g] ;DefJotf lgsfNg'xf];\ .

;dfwfg

oxfF gd'gf If]q (S) = {s, d}

 n(S) = 2

klxnf] k6s hlGdPsf] aRrf 5f]/f x'g] ;DefJotf P (s) =
1
bf];|f] k6s hlGdPsf] aRrf 5f]/f x'g] ;DefJotf P (s) =
2
t];|f] k6s hlGdPsf] aRrf 5f]/f x'g] ;DefJotf P (s) =
3
ltg cf]6f 5f]/f x'g] ;DefJotf P(s.s.s) = P (s) x P (s) x P (s)
1 2 3
203 ul0ft, sIff – 10