锛?/p>
B
涓?/p>
1.
璁句簨浠?/p>
A
涓?/p>
B
鐩镐簰鐙珛
,
涓?/p>
P(A)>0,P(B)>0,
鍒欎笅鍒楃瓑寮忔垚绔嬬殑鏄紙
锛?/p>
A
銆?/p>
AB=
飦?/p>
B
銆?/p>
P(A
B
)=P(A)P(
B
) C
銆?/p>
P(B)=1-P(A)
D
銆?/p>
P(B |
A
)=0
A
涓?/p>
2.
璁?/p>
A
銆?/p>
B
銆?/p>
C
涓轰笁浜嬩欢锛屽垯浜嬩欢
飥?/p>
C
B
A
飦?/p>
锛?/p>
锛?/p>
A
銆?/p>
A
C
B
B
銆?/p>
A
B
飦?
C C
銆?/p>
(
飦?
A
B
)C
D
銆?/p>
(
飦?
A
B
)
C
飦?/p>
C
涓?/p>
3.
璁句簩缁撮殢鏈哄彉閲忥紙
X
銆?/p>
Y
锛夌殑鑱斿悎鍒嗗竷涓猴紙
锛?/p>
鍒?/p>
P{XY=0}=
锛?/p>
锛?/p>
A
銆?/p>
4
1
B
銆?
12
5
C
銆?/p>
4
3
D
銆?/p>
1
C
涓?/p>
4.
璁?/p>
X
飥?/p>
B
锛?/p>
10
锛?/p>
3
1
锛?/p>
锛屽垯
E
锛?/p>
X
锛?/p>
=
锛?/p>
锛?/p>
A
銆?/p>
3
1
B
銆?/p>
1 C
銆?
3
10
D
銆?/p>
10
B
涓?/p>
5.
璁?/p>
X
飥?/p>
N
锛?/p>
1
锛?/p>
2
3
锛?/p>
锛屽垯涓嬪垪閫夐」涓紝
涓嶆垚绔?/p>
锛庯紟锛?
鐨勬槸锛?/p>
锛?/p>
A
銆?/p>
E
锛?/p>
X
锛?/p>
=1 B
銆?/p>
D
锛?/p>
X
锛?/p>
=3 C
銆?/p>
P
锛?/p>
X=1
锛?/p>
=0
D
銆?/p>
P
锛?/p>
X<1
锛?/p>
=0.5
A
涓?/p>
6
锛庤
A
涓?/p>
B
浜掍负瀵圭珛浜嬩欢锛屼笖
P
锛?/p>
A
锛?/p>
>0
锛?/p>
P
锛?/p>
B
锛?/p>
>0
锛屽垯涓嬪垪鍚勫紡涓?/p>
閿欒
锛庯紟
鐨?/p>
鏄紙
锛?/p>
A
銆?/p>
0
)
|
(
飥?/p>
B
A
P
B
銆?/p>
P
锛?/p>
B
|
A
锛?/p>
=0 C
銆?/p>
P
锛?/p>
AB
锛?/p>
=0
D
銆?/p>
P
锛?/p>
A
鈭?/p>
B
锛?/p>
=1
D
涓?/p>
7
锛庤
A
锛?/p>
B
涓轰袱涓殢鏈轰簨浠讹紝涓?/p>
P
锛?/p>
AB
锛?/p>
>0
锛屽垯
P
锛?/p>
A|AB
锛?/p>
=
锛?/p>
锛?/p>
A
銆?/p>
P
锛?/p>
A
锛?/p>
B
銆?/p>
P
锛?/p>
AB
锛?/p>
C
銆?/p>
P
锛?/p>
A|B
锛?/p>
D
銆?/p>
1
C
涓?/p>
8
锛庤闅忔満鍙橀噺
X
鍦ㄥ尯闂?/p>
[2
锛?/p>
4]
涓婃湇浠庡潎鍖�鍒嗗竷锛屽垯
P{2<X<3}
=
锛?/p>
锛?/p>
A
銆?/p>
P{3.5<X<4.5} B
銆?/p>
P{1.5<X<2.5} C
銆?/p>
P{2.5<X<3.5}
D
銆?
P{4.5<X<5.5}
B
涓?/p>
9
锛庤闅忔満鍙橀噺
X
鐨勬鐜囧瘑搴︿负
f
(
x
)=
飪?/p>
飪?
飪?
飪?/p>
飪?/p>
飩?/p>
飥?/p>
,
1
,
0
;
1
,
2
x
x
x
c
鍒欏父鏁?/p>
c
绛変簬锛?/p>
锛?/p>
A
銆?/p>
-1 B
銆?/p>
2
1
飥?
C
銆?/p>
2
1
D
銆?/p>
1
A
涓?/p>
10
锛庤浜岀淮闅忔満鍙橀噺锛?/p>
X
锛?/p>
Y
锛夌殑鍒嗗竷寰嬩负
Y
X
0
1
2
0
0.1
0.2
0
Y
X
0
5
0
4
1
6
1
2
3
1
4
1