ÌâÄ¿ÄÚÈÝ
ÔÚ£·£¶£³¡¡KºÍ£³£®£°£´¡Á£±£°£´£ë£Ð£áʱ£¬ÓÃCOÓë£È£²ºÏ³É£Ã£È£³£Ï£È£º£Ã£Ï£¨£ç£©£«£²£È£²£¨£ç£©£Ã£È£³£Ï£È£¨£ç£©¡£
(1)ÉèÆðʼʱ£¬£î£¨£È£²£©¡Ã£î£¨CO£©£½£í£¬Æ½ºâʱCOת»¯ÂÊΪ¦Á£¬£Ã£È£³£Ï£ÈµÄÌå»ý·ÖÊýΪ£ù£¬Ôò£í¡¢¦Á¡¢£ùÈýÕߵĹØϵÊÇ___________¡£
(2)½«Ï±íÒÑÖªÊý¾Ý´úÈëÉÏÊö¹Øϵ£¬½øÐмÆË㣬½«½á¹ûÌîÈë±íÖУº
(3)¸ù¾Ý±íÖÐÊý¾Ý£¬¿ÉµÃ³ö×î¼Ñ·´Ó¦ÎïµÄÅä±È£íÊÇ_________£¬ÔÒòÊÇ______________¡£
(1)ÉèÆðʼʱ£¬£î£¨£È£²£©¡Ã£î£¨CO£©£½£í£¬Æ½ºâʱCOת»¯ÂÊΪ¦Á£¬£Ã£È£³£Ï£ÈµÄÌå»ý·ÖÊýΪ£ù£¬Ôò£í¡¢¦Á¡¢£ùÈýÕߵĹØϵÊÇ___________¡£
(2)½«Ï±íÒÑÖªÊý¾Ý´úÈëÉÏÊö¹Øϵ£¬½øÐмÆË㣬½«½á¹ûÌîÈë±íÖУº
£í | ¦Á | £ù |
1 | 0.25 | ¢Ù |
2 | 0.45 | ¢Ú |
3 | ¢Û | 19.35% |
(1)y=¡Á£±£°£°£¥
(2)16.67% 21.43% 0.56
(3)2µ±m=2ʱ£¬Æ½ºâÆøÌåÖУãȣ³£Ï£ÈµÄÌå»ý·ÖÊý×î´ó
(2)16.67% 21.43% 0.56
(3)2µ±m=2ʱ£¬Æ½ºâÆøÌåÖУãȣ³£Ï£ÈµÄÌå»ý·ÖÊý×î´ó
(1)É迪ʼʱCOΪ£±¡¡£í£ï£ì£¬Ôò£È£²Îª£í¡¡£í£ï£ì£¬
ÓÉ£º CO£« £²£È£² £Ã£È£³£Ï£È
£îʼ/£í£ï£ì£º1 £í £°
£î±ä/£í£ï£ì£º¦Á £²¦Á ¦Á
£îƽ/£í£ï£ì£º£±£¦Á£í££²¦Á ¦Á
ƽºâʱ£î(×Ü£©£½£¨£±£«£í££²¦Á£©£í£ï£ì£¬
¹Ê£ù£½¡Á£±£°£°£¥¡£
(2)Ö±½Ó´úÈë(1)ʽ½øÐмÆËãµÃ£º£±£¶£®£¶£·£¥¡¢£²£±£®£´£³£¥¡¢£°£®£µ£¶¡£
(3)ÓÉ(2)Öªµ±£í£½£²Ê±£¬Îª×î¼ÑÅä±È¡£
ÓÉ£º CO£« £²£È£² £Ã£È£³£Ï£È
£îʼ/£í£ï£ì£º1 £í £°
£î±ä/£í£ï£ì£º¦Á £²¦Á ¦Á
£îƽ/£í£ï£ì£º£±£¦Á£í££²¦Á ¦Á
ƽºâʱ£î(×Ü£©£½£¨£±£«£í££²¦Á£©£í£ï£ì£¬
¹Ê£ù£½¡Á£±£°£°£¥¡£
(2)Ö±½Ó´úÈë(1)ʽ½øÐмÆËãµÃ£º£±£¶£®£¶£·£¥¡¢£²£±£®£´£³£¥¡¢£°£®£µ£¶¡£
(3)ÓÉ(2)Öªµ±£í£½£²Ê±£¬Îª×î¼ÑÅä±È¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿