數學問題---機會有幾大
回答 (5)
2007-05-10 6:14 am
✔ 最佳答案
P=1/49C6=1/(49!/(6!*43!)
=(6!*43!)/49!
=1*2*3*4*5*6/(49*48*47*46*45*44)
=0.000000071511238420185162619416617037867
=7.1511238420185162619416617037867*10^-8
2007-05-25 7:46 pm
唔係1/85900584咩
2007-05-10 6:43 am
P=1/13983816=0.000007151123842%
2007-05-10 6:10 am
49C6
=13983816
即係係13983816次之中,有一次會中
=13983816
即係係13983816次之中,有一次會中
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070509000051KK05190