题目
题型:不详难度:来源:
先后随机投掷2枚正方体(六面分别标有
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024001-93447.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024001-43358.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024001-95564.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024001-26033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024002-31248.gif)
(1)求点
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024002-74127.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024002-56979.gif)
(2)求点
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024002-74127.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024002-71041.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024002-34397.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024003-77687.gif)
记“点
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024002-74127.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024002-56979.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024003-25377.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024003-25377.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024003-68013.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024003-86979.gif)
(2)记“点
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024002-74127.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024002-71041.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024004-92302.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024004-92302.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024004-70487.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024004-17150.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024004-97017.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024005-65078.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024005-63880.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024005-40564.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024005-68063.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024005-95482.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024006-62490.gif)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024006-66044.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024006-86111.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024006-25499.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024006-86111.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027024007-72748.gif)
解析
核心考点
试题【本小题满分13分)先后随机投掷2枚正方体(六面分别标有)骰子,其中表示第枚骰子出现的点数,表示第枚骰子出现的点数。(1)求点在直线上的概率;(2)求点满足的概率】;主要考察你对古典概型的概念及概率等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023953-40797.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023953-52610.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023953-74740.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023953-40797.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023953-52610.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023953-74740.gif)
兴趣小组 | 小组人数 | 抽取人数 |
![]() | 24 | ![]() |
![]() | 36 | 3 |
![]() | 48 | ![]() |
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023954-89149.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023954-18667.gif)
(2)若从
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023953-40797.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023953-52610.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023953-52610.gif)
A.a="105" p=![]() |
B.a="105" p=![]() |
C.a="210" p=![]() |
D.a="210" p=![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023945-86055.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023945-27873.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023935-39302.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023935-17973.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027023935-63709.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
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