OEF ìØ --- ½éÉÜ ---

±¾Ä£¿éÄ¿Ç°°üº¬ 19 ¸ö¹ØÓÚÐÅÏ¢ÂÛµÄìصÄÁ·Ï°.

СÊý-3

¼ÆËãÒÔÏ 3 ¸ö¸ÅÂÊ·Ö²¼:

{ , , }

µÄ¶þ½øìØ(±ÈÌØ).


СÊý-4

¼ÆËãÒÔÏ 4 ¸ö¸ÅÂÊ·Ö²¼:

{ , , , }

µÄ¶þ½øìØ(±ÈÌØ).


СÊý-5

¼ÆËãÒÔÏ 5 ¸ö¸ÅÂÊ·Ö²¼:

{ , , , , }

µÄ¶þ½øìØ(±ÈÌØ).


ÒÑÖªìØ - 2

ÇëÕÒ³ö 2 Ԫϵͳ {A,B} µÄ¸ÅÂÊ·Ö²¼, ʹµÃϵͳµÄ¶þ½øìØ(±ÈÌØ)µÈÓÚ .

¸ÅÂÊ P(A), P(B) ±ØÐëÊÇÕýÊý, ¶øÇÒ¼ÓÆðÀ´µÈÓÚ 1.


ÒÑÖªìØ - 3

ÇëÕÒ³ö 3 Ԫϵͳ {A,B,C} µÄ¸ÅÂÊ·Ö²¼, ʹµÃϵͳµÄ¶þ½øìØ(±ÈÌØ)µÈÓÚ .

¸ÅÂÊ P(A), P(B), P(C) ±ØÐëÊÇÕýÊý, ¶øÇÒ¼ÓÆðÀ´µÈÓÚ 1.


ÒÑÖªìØ - 4

ÇëÕÒ³ö 4 Ԫϵͳ {A,B,C,D} µÄ¸ÅÂÊ·Ö²¼, ʹµÃϵͳµÄ¶þ½øìØ(±ÈÌØ)µÈÓÚ .

¸ÅÂÊ P(A), P(B), P(C), P(D) ±ØÐëÊÇÕýÊý, ¶øÇÒ¼ÓÆðÀ´µÈÓÚ 1.


ìصĴæÔÚÐÔ - 3

ÊÇ·ñ´æÔÚ 3 ԪϵͳËüµÄ¶þ½øìØ(±ÈÌØ)µÈÓÚ ?

ìصĴæÔÚÐÔ

ÊÇ·ñ´æÔÚ ÔªÏµÍ³ËüµÄ¶þ½øìØ(±ÈÌØ)µÈÓÚ ?

¼ÆËã»úÎļþ

Ò»¸ö¼ÆËã»úÎļþÓÐ ¸ö×Ö½Ú. ÎļþµÄÿ¸ö×Ö½ÚÖ»ÓÐ 4 ¸öÖµ, ÈçϱíËùʾ.

Ê®½øÖµ
¶þ½øÖµ
×Ö½ÚÊý

·Ö±ð°´ÕÕÎļþµÄ¶þ½øλ(±ÈÌØ)ÊýÓë×Ö½ÚÊý¼ÆËãÎļþµÄ¶þ½øìØ(±ÈÌØ).


¼ÆËã»úÎļþ II

Ò»¸ö¼ÆËã»úÎļþÓÐ ¸ö×Ö½Ú. ÎļþµÄÿ¸ö×Ö½ÚÖ»ÓÐ 6 ¸öÖµ, ÈçϱíËùʾ.

×Ö½ÚÖµ
Êý

¸ù¾Ý×Ö½ÚÊý, ÎļþµÄ¶þ½øìØ(±ÈÌØ)Ϊ .

ͨ¹ýʹÓÃ×î¼Ñ±ä³¤¶þ½øÂë¶Ô×Ö½ÚÖØбàÂë, ¿ÉÒÔ°ÑÎļþ³¤¶ÈËõ¶ÌΪ ×Ö½Ú (²»¼Æ¿ÉÄÜÓеÄÍ·²¿).


²ÊɫͼÏñ

Ò»¸ö × ¸öÏñËصIJÊɫͼÏñÓɺڡ¢°×¡¢ºì¡¢ÂÌ¡¢À¶ 5 ÖÖÉ«²Ê¹¹³É. ÿÖÖÉ«²ÊÔÚͼÏñÀïµÄÏñËØÊýÈçÏÂ:

É«²Ê ºÚ °× ºì ÂÌ À¶
ÏñËØ

Çë°´ÕÕÏñËؼÆËãͼÏñµÄ¶þ½øìØ(±ÈÌØ).


ìصļ«´óÖµ - 3

ÓÐÒ»¸ö 3 Ôª {A,B,C} µÄ¸ÅÂÊ·Ö²¼ÏµÍ³. ÒÑÖª¸ÅÂÊ P(A) = , ÎÊϵͳµÄ¶þ½øìØ(±ÈÌØ)µÄ¼«´ó¡¢¼«Ð¡Öµ·Ö±ðÊǶàÉÙ?

ìصļ«´óÖµ II - 3

ÓÐÒ»¸ö 3 Ôª {A,B,C} µÄ¸ÅÂÊ·Ö²¼ÏµÍ³. ÒÑÖª¸ÅÂÊ P() = ²¢ÇÒ

P(A) ge P(B) ge P(C) ,

ÎÊϵͳµÄ¶þ½øìØ(±ÈÌØ)µÄ¼«´ó¡¢¼«Ð¡Öµ·Ö±ðÊǶàÉÙ?


·ÖÊý-3

¼ÆËãÒÔÏ 3 ¸ö¸ÅÂÊ·Ö²¼:

{ }

µÄ¶þ½øìØ(±ÈÌØ).


·ÖÊý-4

¼ÆËãÒÔÏ 4 ¸ö¸ÅÂÊ·Ö²¼:

{ }

µÄ¶þ½øìØ(±ÈÌØ).


·ÖÊý-5

¼ÆËãÒÔÏ 5 ¸ö¸ÅÂÊ·Ö²¼:

{ }

µÄ¶þ½øìØ(±ÈÌØ).


·ÖÊý-6

¼ÆËãÒÔÏ 6 ¸ö¸ÅÂÊ·Ö²¼:

{ }

µÄ¶þ½øìØ(±ÈÌØ).


Ìõ¼þ´æÔÚÐÔ - 3

ÊÇ·ñ´æÔÚ 3 ¸öÔªËØ {A,B,C} µÄϵͳ, ʹµÃ P(A) = , ¶øÇÒ¶þ½øìØ(±ÈÌØ)µÈÓÚ ?

Ìõ¼þ´æÔÚÐÔ - 4

ÊÇ·ñ´æÔÚ 4 ¸öÔªËØ {A,B,C,D} µÄϵͳ, ʹµÃ

P(A) = , P(B) = ,

¶øÇÒ¶þ½øìØ(±ÈÌØ)µÈÓÚ ? The most recent version


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