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 ...
13885 P (W2 ) = P(W 1)⋅ P(W2/ W 1)+ P(B1)⋅ P(W2/ B 1 )4 3 3 4 12 + 12 24P(W2 ) = × + × = = =7 6 7 6 42 42P( 4 647. 4 (1 :W : B. . 4 (2⎛25⎞⎛15⎞⎜ ⎟⎜⎟⎝4⎠⎝6) =⎠⎛40⎞⎜ ⎟⎝10⎠. . 2 (3P(A) =SASsπr2=πR2⎛= ⎜⎝rR2⎞⎟⎠. 2 (4P( ) = P( ) + P( )P = P1 ( 1−P2) + P2( 1−P1) = 0/95×0/1+0/5×0/9 = 0/14. . 2 (51 4 1 7P(W) = P(K1 ) ⋅ P(W / K1)+ P(K2)⋅P(W / K2)= × + × =2 10 2 101 4×P(K1)⋅P(W / K1)2 10 4P(K1 / W) == =P(W) 11 1120E(x / y+∞413 11= 1)= ∫ xf (x / y = 1)dx=2∫(3x+ x3) dx =−∞70 2 141120 : K. 1 (6: y= 1
139f (x / y) =fx (x) =fy (y) =3 x23 3(xy + ) 3xy+ x23x+=4 2=2=23 1 37y2+ y2+ 116 4 4423x23 3f (x, y)dy = ∫ (xy + )dy = x2+ x042 4 213x23 1f (x, y)dx = ∫ (xy + )dx = y2+ x042 16 4f (x, y)f (y)+∞∫−∞+∞∫−∞ x2X − µZ =δ40−50 60−50P( 40
- Page 45 and 46: 87f (x) =1µ = δ =λ . .
- Page 47 and 48: 89 P( − a < z < a)0/921=2(4 6
- Page 49 and 50: 9122− (4(399 1818(40/6587 (
- Page 51 and 52: 93 1 3P ( −a< z < a) = 2 φ a
- Page 53 and 54: 95P − PP(P < 0/6)= P(Z < ) = P(Z
- Page 55 and 56: 97 X . δ = 2 µ =10 (1 (1
- Page 57 and 58: 99. (4 n1 + n2−2 (3 X
- Page 59 and 60: 101: P(X< 300): (4 E(Z4 )1(
- Page 61 and 62: 103 . 2 (7. 3 (8. 2 (9. 4 (
- Page 63 and 64: 105 f (x) =1b − a0a < x
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- Page 67 and 68: 1090/31250 (40/343 (3 . 100 0/
- Page 69 and 70: 111 . H 0 H 0 . 3 (1
- Page 71 and 72: 113 3 2 (4 Y = 3 +0/4X0〈r≤
- Page 73 and 74: 115 (4( r = 100r′)X(3 Y,Y( B = B
- Page 75 and 76: 117 . X y . r=1 .
- Page 77 and 78: 11921212102121012121212121212121012
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- Page 81 and 82: 123 13 (141Lnλ2(42Lnλ(31
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- Page 87 and 88: 1291f (x) =θ (44X، 0< x < θ(4
- Page 89 and 90: 131Cov(x, y)= E(xy) − E(x)E(y) =
- Page 91 and 92: 133 711E(X / Y = 1)1520(4(4 f (x,
- Page 93 and 94: 135 . 225 µ X (18%95
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- Page 99 and 100: 141x-2-10210y413-1-25 . 2 (23.
139f (x / y) =fx (x) =fy (y) =3 x23 3(xy + ) 3xy+ x23x+=4 2=2=23 1 37y2+ y2+ 116 4 4423x23 3f (x, y)dy = ∫ (xy + )dy = x2+ x042 4 213x23 1f (x, y)dx = ∫ (xy + )dx = y2+ x042 16 4f (x, y)f (y)+∞∫−∞+∞∫−∞ x2X − µZ =δ40−50 60−50P( 40
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