siyu1884
2011-11-16 07:11 PM
a) [2,2];[2,3],[2,5],[2,6],[3,3],[3,5],[3,6],[5,5],[5,6],[6,6]
b) i) [2,2],[2,6],[3,3],[5,5],[6,6], ...
dewin 发表于 2011-11-16 07:04 PM
sample space开错，b(i)对，b(ii)错
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楼主: siyu1884
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sos！求救数学spm！ |
a) [2,2];[2,3],[2,5],[2,6],[3,3],[3,5],[3,6],[5,5],[5,6],[6,6]
b) i) [2,2],[2,6],[3,3],[5,5],[6,6], ...
dewin 发表于 2011-11-16 07:04 PM
for your sake...
prime number is number that cant be divide... so check wat is the number cant be d ...
jiayupeach 发表于 2011-11-16 07:06 PM
好吧我做的是without replacement，我没有做过with replacement的，看都没看过
MarsNg 发表于 2011-11-16 07:13 PM
回复 siyu1884
哦~哈哈~那你Skema的答案是什么？
dewin 发表于 2011-11-16 07:16 PM
回复 siyu1884
sample space= 22, 23, 25, 26, 32, 33, 35, 36, 52, 53, 55, 56, 62, 63, 65, 66
b ...
sicayurifany 发表于 2011-11-16 07:17 PM
回复 siyu1884
恩。。这种题目我做过很多次了。。
MarsNg 发表于 2011-11-16 07:22 PM
