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

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48. (4 . ( 3 . 20 5 5 (37 17 (414(312/5 (29(1 n = 2 (38: .0 /25(40/5(31 (22(14X 8 16 (39: X 0 /25(40/5(31 (22(1: (H) (G) (X) (40. . (1. . (2(3() (412 4 3 (41. 16 . (1 4 (2. . 16(3 (4
49 . 2 (1α i= 360× ,, , = 360 × 0/<strong>45</strong> = <strong>162</strong>. 2 (2 4 (3 . 2 (4α i. . 3 (5. 2 25 + 2623 − 24 − 25 − 26 − 29 − 31⇒m = = 25 / 52= 360× : . 2 (6E(y)4α i = 360×= 48°30 y = ax + b x. δ y =aδxVar(y) = a2Var(x). . 1 (7E (y) = µ y = ax + b= aE(x) + b ⇒ 24 = 10E(x)+ 4 ⇒ µ x = E(x)= 2. 3 (8δ2y = 25 ⇒ δy= 5δy= aδx⇒ 5 = 10δx ⇒ δx=510=12. 3 (9
Page 1 and 2: 43 (4 (3 (1 (2 (1
Page 3 and 4: 45 20 100 (16( ) 150 -
Page 5: 47 (2 (4 14 . . (2.
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!
Page 17 and 18: 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 and 98:
139f (x / y) =fx (x) =fy (y) =3 x23
Page 99 and 100:
141x-2-10210y413-1-25 . 2 (23.
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1( = @ 1( > 2( > 3( 4( > 2( 45 % @ @ > > > @ > > = > 1( 180 2( 162 3 ...

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