1( = @ 1( > 2( > 3( 4( > 2( 45 % @ @ > > > @ > > = > 1( 180 2( 162 3 ...

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140. . 2 (132 1Var(ax + b) = a2Var(x) = ( )2Var(x)= × 4 = 14 4P( ) = 1− P(θˆ = λ = E(x)10=813θˆ = 2 x = 2×= 6 / 54L = X − Z α2U = X − Z α2Z =xP = = nx− P0nx x( 1−)n nnS= 7 − 2×nS= 7 + 2×n850= )15= 12515= 13258 20−50 1008 8( 1−)50 5050−0/04=1 8×4250 5050⎛ 49 ⎞= 1−⎜ ⎟⎝ 50 ⎠. 1 (14. 3 (15. 4 (16. 1 (17. 1 (18. 3 (19. 2 (20. 1 (21. 1 (22
141x-2-10210y413-1-25 . 2 (23. 2 (24. 3 (25∑ xx = i= 0n∑ y 5y = i= = 1n 5S xy = ∑ xy − nx.y = −13−0×1 = −13S2 2xx = ∑ x − nx = 10−5×0 = 10iS xy −13a = = = −1/3S xx 10b = y − ax = 1−0×( −1/3)= 13µ = = 0/7542401920/8 −0/75P( ∑ X i < 192 )P(X < ) = P(X < 0/8)= P(Z < ) = 1i=1240380240P(Z < 4 ) = φ4= 1xy-8-10-2-2-132x4104110. 4 (26. 2 (27. 2 (28Var(Bˆ )=2δe∑ − x)2(xi=1∑2(yi − ŷ)n − 2∑ − x)2(xi=1× 84 − 2= 22. 2 (29. 2 (30
Page 1 and 2:
43 (4 (3 (1 (2 (1
Page 3 and 4:
45 20 100 (16( ) 150 -
Page 5 and 6:
47 (2 (4 14 . . (2.
Page 7 and 8:
49 . 2 (1α i= 360×
Page 9 and 10:
51 n 100= = 502 2n− Fi −1m =2
Page 11 and 12:
53fi= ( < < ) . (2( < < ) .
Page 13 and 14:
55P(AU B)2 1P(B) = , P(A) =3 372(4(
Page 15 and 16:
576! (44× ! 3!(3 . 3 ! × 2!
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59 4 3 . 21 (1
Page 19 and 20:
611 81−= ⇒ k = 3 ⇒ µ − kδ
Page 21 and 22:
63 P ( ) = P( )3 4 3 6 1P ( )
Page 23 and 24:
65 4 1 33P(W 1 ) =7 3 2 4P(B1
Page 25 and 26:
67X = xP (X =x) (435 (4 E (
Page 27 and 28:
69 1000 δx= 2µx 770
Page 29 and 30:
71Var(y) = a2Var(x) = ( −2)2× 1/
Page 31 and 32:
73xy012f (y) ( (11 2 3 6 x-18 8
Page 33 and 34:
75 a . 3 (8:
Page 35 and 36:
77 ⎛4⎞⎛66⎞⎛4⎞⎛66⎞
Page 37 and 38:
797(49 ( E(X) = λ)100−1−e λ(4
Page 39 and 40:
81 . . 3 (1λ x = δ
Page 41 and 42:
83E(x) = np = 43 / 2Var(x) = npq =
Page 43 and 44:
85e−λλxP(x) =X!P(X ≥ 2)= 1−
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
Page 65 and 66: 107 (4 (3 (2H 1 :
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
Page 79 and 80: 121 82-8383 60: ( ) 20:
Page 81 and 82: 123 13 (141Lnλ2(42Lnλ(31
Page 83 and 84: 125 . 4 (10 37374
Page 85 and 86: 127 84-85 60: ( ) 20: .
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
Page 95 and 96: 137 . 380 34-1 (40/75 (4n 2 n
Page 97: 139f (x / y) =fx (x) =fy (y) =3 x23
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1( = @ 1( > 2( > 3( 4( > 2( 45 % @ @ > > > @ > > = > 1( 180 2( 162 3 ...

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