Page 248 - Math Grade 11 (Advance)

PROEUS DARA

2. A= {{1, 2},{1,3},{2,3}}
6 3 2 11
P(A) = 15 + 15 + 15 = 15

B = { {1, 2} ,{I, 3}}

P(B) = ~

C = { ( 1 , 1), (I, 2) ,( 1, 3)}
P(C) = ~

1=1. D={{1,3},{2,2}}
4
P(D) = 15

2. n. P(A) = 1-P{A) = 0.7 , P(B) = 1-P(B) = 0.5

P(AUB) = P(A)+P(B)-P(AnB) = 0.3+0.5-0.2 = 0.6

2. (AnB)U(AnB) = ((AnB)UA)n(AnBUB) =AnA= A

P(AnB)+P(AnB) = P(A) ~ P(AnB) = 0.3-0.2 = 0.1

P(AUB) = P(A)+P(B)-P(AnB) = 0.7 , P(AnB) = 0.3

P(A U B) = 0.9

3. n. A ~'iifinUMff12Lfl~HnStti.m P(A) = c(1 45 ' 10) = 0.7048
w '"' .... u 4 c( 150, 10)

.c::;:pt:::lr, cle~ ' ,. Q C!p t$ - -
2. Hlfiff1Hl.Jltl:lbl5Hi1~bl2till{H'iu'i:HiHi52nl=1 A : P(A) = 1-0.7048 = 0.2952
wn lj 4 I.J
u 6V
P(B) = c(5, 3) x c(l45, 7) = _ lli P( ) = c(5, 5) x c(l45, 5) =
f:'i. 0 002 0 0000004
c(150, 10) · c c(I50, 10) ·
4. n. LUQ1ULfi1m~liHLfi'l'tlJu 3 Mn.IJ~ : P(A) = 0.0142
u u J
P(B) = c(25, 2) x c(75, 1) = O.l c(75,3)
2. 391 1=1. P(c) = c(lOO, ) = 0.4176
c(lOO, 3) 3
lli. P(c) = 1-P(c) = 0.5824

5. P(A) = 0.3877 , P(B) = 0.0135 , P( c) = 0.10298

1
6. n. P(C) = ~ , P(R) = S ,P(CnR)= 1
32
P(C n R) = P(C) x P(R) ~ C ~~ R i12HlLMt15~

2. P(c/F) = \ c s~ F H1Ln1ru~
1

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