适用年级:{{getGradeNameByProperty('高三|高考模拟|广东|2014年')}} 试卷类型:{{getTestPaperTypeName('高三|高考模拟|广东|2014年')}} 使用省份:{{getAreaName('高三|高考模拟|广东|2014年')}}
试卷年份:{{getYear('高三|高考模拟|广东|2014年')}}上传日期:2014-04-25题数:21
提示:单击题文可显示答案与解析。
题号:928554
题型:选择题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】定义两个实数间的一种运算“
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image112.png)
”:
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image113.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image085.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image115.png)
.对任意实数
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image032.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image116.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image117.png)
,
给出如下结论:
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image119.png)
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image120.png)
;②
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image121.png)
;③
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image122.png)
.
其中正确的个数是( )
题号:928555
题型:选择题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】“
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image092.png)
”是“关于
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image085.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image094.png)
的不等式组
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image095.png)
表示的平面区域为三角形”的( )
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
题号:928556
题型:选择题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】已知双曲线的离心率为
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image034.png)
,且它有一个焦点与抛物线
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image079.png)
的焦点相同,那么双曲线的渐近线方程为( )
题号:928557
题型:选择题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】如图,一个空间几何体的正视图、侧视图都是面积为
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image054.png)
,且一个内角为
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image055.png)
的菱形,俯视图为正方形,那么这个几何体的表面积为( )
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image056.jpg)
题号:928558
题型:选择题
难易度:较易
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
题号:928559
题型:选择题
难易度:较易
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
题号:928560
题型:选择题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
题号:928561
题型:选择题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
题号:928562
题型:选择题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】复数
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image001.png)
的虚部是( )
题号:4186411
题型:选择题
难易度:一般
日期:2014-05-07
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】执行如图所示的程序框图,若输出
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image062.png)
,则框图中①处可以填入( )
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image063.jpg)
题号:928531
题型:填空题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】在平面直角坐标系中,直线
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image167.png)
(
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image168.png)
是参数)被圆
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image170.png)
(
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image171.png)
是参数)截得的弦长为.
题号:928552
题型:填空题
难易度:较易
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
题号:928553
题型:填空题
难易度:较易
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
题号:4186412
题型:填空题
难易度:较易
日期:2014-05-07
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】已知
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image085.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image094.png)
的取值如下表:
从散点图可以看出
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image094.png)
与
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image085.png)
线性相关,且回归方程
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image149.png)
,则
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image151.png)
.
题号:4186413
题型:填空题
难易度:一般
日期:2014-05-07
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】如图,直线
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image179.png)
与圆
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image180.png)
相切于
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image181.png)
,割线
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image182.png)
经过圆心
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image180.png)
,弦
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image183.png)
于点
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image185.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image187.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image188.png)
,则
___.
题号:928525
题型:解答题
难易度:较难
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】已知函数
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image408.png)
(其中
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image409.png)
).
(1)求函数
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image251.png)
的单调区间;
(2)若函数
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image251.png)
在
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image411.png)
上有且只有一个零点,求实数
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image032.png)
的取值范围.
题号:928526
题型:解答题
难易度:困难
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】如图,椭圆
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image181.png)
的中心为原点
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image180.png)
,长轴在
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image085.png)
轴上,离心率
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image375.png)
,又椭圆
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image181.png)
上的任一点到椭圆
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image181.png)
的两焦点的距离之和为
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image377.png)
.
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image378.jpg)
(1)求椭圆
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image181.png)
的标准方程;
(2)若平行于
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image094.png)
轴的直线
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image379.png)
与椭圆
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image181.png)
相交于不同的两点
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image380.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image381.png)
,过
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image380.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image381.png)
两点作圆心为
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image327.png)
的圆,使椭圆
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image181.png)
上的其余点均在圆
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image327.png)
外.求
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image382.png)
的面积
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image076.png)
的最大值.
题号:928527
题型:解答题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】在如图所示的几何体中,四边形
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image314.png)
为正方形,四边形
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image315.png)
为等腰梯形,
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image317.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image318.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image319.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image320.png)
.
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image321.jpg)
(1)求证:
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image322.png)
平面
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image323.png)
;
(2)求四面体
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image325.png)
的体积;
(3)线段
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image197.png)
上是否存在点
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image327.png)
,使
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image329.png)
平面
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image330.png)
?请证明你的结论.
题号:928528
题型:解答题
难易度:较难
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】已知数列
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image018.png)
为等差数列,且
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image276.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image277.png)
.设数列
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image279.png)
的前
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image019.png)
项和为
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image020.png)
,且
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image282.png)
.
(1)求数列
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image018.png)
和
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image279.png)
的通项公式;
(2)若
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image284.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image286.png)
为数列
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image288.png)
的前
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image019.png)
项和,求
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image286.png)
.
题号:928529
题型:解答题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】已知函数
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image249.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image250.png)
.
(1)求函数
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image251.png)
的最小正周期;
(2)在
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image039.png)
中,角
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image104.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image008.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image181.png)
的对边分别为
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image032.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image116.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image117.png)
,且满足
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image254.png)
,求
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image256.png)
的值.
题号:928530
题型:解答题
难易度:一般
日期:2014-04-25
来源:2014届广东省汕头市高三3月高考模拟考试文科试卷(带解析)
【题文】某工厂生产
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image104.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image008.png)
两种元件,其质量按测试指标划分为:大于或等于
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image212.png)
为正品,小于
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image212.png)
为次品.现从一批产品中随机抽取这两种元件各
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image213.png)
件进行检测,检测结果记录如下:
由于表格被污损,数据
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image085.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image094.png)
看不清,统计员只记得
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image218.png)
,且
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image104.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image008.png)
两种元件的检测数据的平均值相等,方差也相等.
(1)求表格中
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image085.png)
与
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image094.png)
的值;
(2)从被检测的
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image213.png)
件
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image008.png)
种元件中任取
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image125.png)
件,求
![](http://static.zujuan.xkw.com/Upload/2014-04/25/03fb47be-78c9-42f9-9ea2-d7ad762bb301/paper.files/image125.png)
件都为正品的概率.