1( = @ 1( > 2( > 3( 4( > 2( 45 % @ @ > > > @ > > = > 1( 180 2( 162 3 ...
1( = @ 1( > 2( > 3( 4( > 2( 45 % @ @ > > > @ > > = > 1( 180 2( 162 3 ...
1( = @ 1( > 2( > 3( 4( > 2( 45 % @ @ > > > @ > > = > 1( 180 2( 162 3 ...
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63 P ( ) = P( )3 4 3 6 1P ( ) = P( ) + P ( ) = × + + =6 6 6 10 2. 3 (24P(A I B) = P(B) − P(A I B) = 0/3 −0/2 = 0/09P(A / B)P(A I B) 0/09= = = 0/3P(B) 0/3. . 2 (258 ⎛8⎞8!C3 = ⎜ ⎟ = = 56 . ⎝3⎠3!(8 − 3)!. . 4 (26C k N−K= x CP(x) n − xCN n⎛2⎞⎛7⎞⎜ ⎟⎜⎟2 0 1×1 1=⎝ ⎠⎝⎠= = =⎛9⎞9!9×8×7!⎜ ⎟⎝2⎠2!× 7!2×7!136. 2 (274 1P(B) = 1 − P(B)= 1−=5 5P(A I B)1 1 1P(A / B) = ⇒ P(A I B) = P(A / B) ⋅ P(B)= × =P(B)3 5 151 1 1 7P(AU B) = P(A) + P(B) − P(A I B)= + − =3 5 15 15. 4 (28P (E) = 1 − P(E) = 1−0/9 = 0/1P(F)= P(F I E) + P(F I E) = P(F/ E) ⋅ P(E) + P(F/ E) ⋅ P(E)⇒ 0 / 2 × 0/9 + 0/7 × 0/1 = 0/25. 1 (29
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