数学高手进,请问彩票, 10
一共有49个彩票号码,分别从1-------49个号码里选7组号码出来,一组选15个号码,(49个号码里开奖只开一个码出来)请问一个号码都不中的概率是多少?中1个2个3个...
一共有49 个彩票号码 , 分别从 1-------49 个号 码 里 选 7组号码出来,一组选15个号码,(49个号码里开奖只开一个码出来)请问一个号码都不中的概率是多少?中1个2个3个4个5个的概率又是多少? 就是 %多少 比如
02,11,20,22,23,26,30,32,35,42,43,44,46,47,49, =15码
01,02,04,05,06,13,24,37,39,40,44,45,46,47,48, =15码
01,02,03,09,12,13,17,24,25,28,29,39,46,48,49, =15码
05,09,11,12,17,21,23,24,29,33,35,36,41,45,47, =15码
03,08,10,15,17,19,28,32,35,38,40,44,46,47,49, =15码
02,03,14,26,27,32,34,36,38,43,44,46,47,48,49, =15码
02,03,14,26,27,32,34,36,38,43,44,46,47,48,49, =15码
共00次:07,16,18,31,(4码) % 多少
共01次:04,06,08,10,15,19,20,21,22,25,30,33,37,41,42,(15码)
共02次:01,05,09,11,12,13,14,23,27,28,29,34,39,40,45,(15码)
共03次:17,24,26,35,36,38,43,(7码)
共04次:03,32,48,(3码)
共05次:02,44,49,(3码)
共06次:46,47,(2码) 展开
02,11,20,22,23,26,30,32,35,42,43,44,46,47,49, =15码
01,02,04,05,06,13,24,37,39,40,44,45,46,47,48, =15码
01,02,03,09,12,13,17,24,25,28,29,39,46,48,49, =15码
05,09,11,12,17,21,23,24,29,33,35,36,41,45,47, =15码
03,08,10,15,17,19,28,32,35,38,40,44,46,47,49, =15码
02,03,14,26,27,32,34,36,38,43,44,46,47,48,49, =15码
02,03,14,26,27,32,34,36,38,43,44,46,47,48,49, =15码
共00次:07,16,18,31,(4码) % 多少
共01次:04,06,08,10,15,19,20,21,22,25,30,33,37,41,42,(15码)
共02次:01,05,09,11,12,13,14,23,27,28,29,34,39,40,45,(15码)
共03次:17,24,26,35,36,38,43,(7码)
共04次:03,32,48,(3码)
共05次:02,44,49,(3码)
共06次:46,47,(2码) 展开
展开全部
一共有49 个彩票号码 , 分别从 1-------49 个号 码 里 选 7组号码出来,一组选15个号码,(49个号码里开奖只开一个码出来)请问一个号码都不中的概率是多少?中1个2个3个4个5个的概率又是多少? 就是 %多少 比如
02,11,20,22,23,26,30,32,35,42,43,44,46,47,49, =15码
01,02,04,05,06,13,24,37,39,40,44,45,46,47,48, =15码
01,02,03,09,12,13,17,24,25,28,29,39,46,48,49, =15码
05,09,11,12,17,21,23,24,29,33,35,36,41,45,47, =15码
03,08,10,15,17,19,28,32,35,38,40,44,46,47,49, =15码
02,03,14,26,27,32,34,36,38,43,44,46,47,48,49, =15码
02,03,14,26,27,32,34,36,38,43,44,46,47,48,49, =15码
共00次:07,16,18,31,(4码) % 多少
共01次:04,06,08,10,15,19,20,21,22,25,30,33,37,41,42,(15码)
共02次:01,05,09,11,12,13,14,23,27,28,29,34,39,40,45,(15码)
共03次:17,24,26,35,36,38,43,(7码)
共04次:03,32,48,(3码)
共05次:02,44,49,(3码)
共06次:46,47,(2码)
02,11,20,22,23,26,30,32,35,42,43,44,46,47,49, =15码
01,02,04,05,06,13,24,37,39,40,44,45,46,47,48, =15码
01,02,03,09,12,13,17,24,25,28,29,39,46,48,49, =15码
05,09,11,12,17,21,23,24,29,33,35,36,41,45,47, =15码
03,08,10,15,17,19,28,32,35,38,40,44,46,47,49, =15码
02,03,14,26,27,32,34,36,38,43,44,46,47,48,49, =15码
02,03,14,26,27,32,34,36,38,43,44,46,47,48,49, =15码
共00次:07,16,18,31,(4码) % 多少
共01次:04,06,08,10,15,19,20,21,22,25,30,33,37,41,42,(15码)
共02次:01,05,09,11,12,13,14,23,27,28,29,34,39,40,45,(15码)
共03次:17,24,26,35,36,38,43,(7码)
共04次:03,32,48,(3码)
共05次:02,44,49,(3码)
共06次:46,47,(2码)
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