5£®¶Ôij³§Éú²úµÄµÆÅÝ10000¸ö½øÐÐÄÍÓÃÐÔÄܼì²é£¬¸ù¾ÝÒÔÍù³éÑù²â¶¨£¬ÇóµÃÄÍÓÃʱÊýµÄ±ê×¼²îΪ600Сʱ¡£
£¨1£©ÔÚÖظ´³éÑùÌõ¼þÏ£¬¸ÅÂʱ£Ö¤¶ÈΪ68.27%£¬µÆÅÝƽʱÄÍÓÃʱÊýµÄÎó²î·¶Î§²»³¬¹ý150Сʱ£¬Òª³éÈ¡¶àÉÙµÆÅÝ×ö¼ì²é£¿£¨P=68.27%ʱ£¬t=1£©
£¨2£©¸ù¾ÝÒÔÍù³éÑù¼ìÑéÖªµÀ£¬µÆÅݺϸñÂÊΪ95%£¬ºÏ¸ñÂʵıê×¼²îΪ21.8%¡£ÒªÇóÔÚ99.73%µÄ¸ÅÂʱ£Ö¤Ï£¬ÔÊÐíÎó²î²»³¬¹ý4%£¬ÊÔÈ·¶¨Öظ´³éÑùËùÐè³éÈ¡µÄµÆÅÝÊýÁ¿ÊǶàÉÙ£¿£¨P=99.73%ʱ£¬t=3£©
´ð°¸£º
Áù¡¢¾ö²ßÀà
1£®Ä³É̵깺½øÏ㽶ÁãÊÛ¡£ÁãÊÛ»ñÀû30Ôª/Ïä¡£Èôµ±ÌìÏú²»³öÈ¥,Ôò¿÷Ëð10Ôª/Ï䡣ȥÄêÏúÊÛµÄÇé¿öÈçϱí. ÇëÓÃ×î´óÆÚÍûÊÕÒæ±ê×¼(¾ö²ß±í·¨),Åж¨Ã¿ÈÕ¹º½ø¶àÉÙÏä×îºÃ¡£
ÏúÊÛÏäÊý ÌìÊý ¸ÅÂÊ 10 30 0.3 20 50 0.5
30 20 0.2
ÊÛ»õÁ¿ 10 20 30 ÆÚÍû
¸ÅÂÊ 0.3 0.5 0.2 ÀûÈó
½ø 10
»õ 20
Á¿ 30
´ð°¸£º
2£®Ä³¹«Ë¾ÓÐһƬ·¿µØ²ú£¬ÓС°²»¿ª·¢¡±¡¢¡°²¿·Ö¿ª·¢¡±¼°¡°È«²¿¿ª·¢¡±Èý¸ö·½°¸¡£Î´À´µÄ¾¼Ã»·¾³×´¿öÓС°½ÏºÃ¡±¡¢¡°Ò»°ã¡±¡¢¡°½Ï²î¡±ÈýÖÖ¡£¸÷ÖÖ¾¼Ã״̬³öÏֵĸÅÂÊ£¬¸÷ÖÖ·½°¸ÔÚ¸÷ÖÖ״̬ϵÄËðÒæÖµ£¨Ê®ÍòÔª£©ÈçÏÂ±í¡£Çë £¨1£©»³ö´ËÎÊÌâµÄ¾ö²ßÊ÷£» £¨2£©Óô˾ö²ßÊ÷Ñ¡Ôñ×î¼Ñ·½°¸¡£
×´ Ëð δÀ´¾¼Ã×´¿ö ̬ Òæ Öµ ·½ °¸ ½ÏºÃ(0.2) Ò»°ã(0.5) ½Ï²î(0.3)
250 120 50 A. ²»¿ª·¢
200 50 -20 B. ²¿·Ö¿ª·¢
300 100 -100 C. È«²¿¿ª·¢
´ð°¸£º
²»¿ª·¢ 1 1 59 125 ½ÏºÃ 0.2 Ò»°ã 0.5 2 250 120 50 200 50 -20 300 100 -100
½Ï²î 0.3 ½ÏºÃ 0.2 3 ²¿·Ö¿ª·¢ Ò»°ã 0.5 ½Ï²î 0.3 ½ÏºÃ 0.2 80
È«²¿¿ª·¢ 4 Ò»°ã 0.5 ½Ï²î 0.3 ×îÖÕ¾ö²ßÊ÷ÈçÉÏͼËùʾ
3.ij¹«Ë¾ÐèÒª¶ÔijвúÆ·Éú²úÅúÁ¿×ö³ö¾ö²ß£¬¸÷ÖÖÅúÁ¿ÔÚ²»Í¬µÄ×ÔȻ״̬ϵÄÊÕÒæÇé¿öÈçÏÂ±í£¨ÊÕÒæ¾ØÕ󣩣¬ÓÃÖÁÉÙÁ½ÖÖ²»È·¶¨Çé¿öϵľö²ß·½·¨£¬¶ÔÉÏÊöÉú²ú¾ÓªÎÊÌâ×ö³ö¾ö²ß·½°¸¡£
×ÔÈ»×´ ̬ N N 12
£¨ÐèÇóÁ¿´ó£© £¨ÐèÇóÁ¿Ð¡£© Ðж¯·½°¸
30 -6 S1£¨´óÅúÁ¿Éú²ú£©
20 -2 S2£¨ÖÐÅúÁ¿Éú²ú£©
10 5 S3£¨Ð¡ÅúÁ¿Éú²ú£©
´ð°¸£º
£¨Ò»£©±¯¹Û¾ö²ß£¨Ð¡ÖÐÈ¡´ó×¼Ôò£©
£¨1£©È·¶¨S1¡¢S2¡¢S3Èý¸ö·½°¸ÔÚ¸÷×ÔȻ״̬ϵÄ×îСÊÕÒæ
f£¨S2£©=min£¨20£¬ -2£©=-2 f£¨S3£©=min£¨10£¬ 5£©=5
£¨2£©ÕÒ³ö×îСÊÕÒæÖµÖеÄ×î´óÕߣ¬²¢È·¶¨×îÓÅ·½°¸
f£¨S£©=max£¨-6£¬ -2£¬ 5£©=5
¼´5Ëù¶ÔÓ¦µÄS3·½°¸ÄÜÔÚ×î²»ÀûµÄÇé¿öÏ´øÀ´×î´óµÄÊÕÒæÖµ£¬
Öµ£¬ÆäÖУº f£¨S1£©=min£¨30£¬ -6£©=-6
Ϊ×î¼Ñ·½°¸¡£
£¨¶þ£©ÀÖ¹Û¾ö²ß·¨£¨´óÖÐÈ¡´ó×¼Ôò£©
£¨1£©Áгö¸÷·½°¸ÔÚ²»Í¬×ÔȻ״̬ϵÄ×î´óÊÕÒæÖµ£¬ÆäÖУº
f£¨S1£©=max£¨30£¬ -6£©=30 f£¨S2£©=max£¨20£¬ -2£©=20 f£¨S3£©=max£¨10£¬ 5£©=10
£¨2£©ÕÒ³ö×îСÊÕÒæÖµÖеÄ×î´óÕߣ¬²¢È·¶¨×îÓÅ·½°¸
f£¨S£©=max£¨30£¬ 20£¬ 10£©=30
¼´30Ëù¶ÔÓ¦µÄS1·½°¸ÄÜÔÚ×îºÃµÄÇé¿öÏ´øÀ´×î´óµÄÊÕÒæÖµ£¬
Ϊ×î¼Ñ·½°¸¡£