问题 填空题

在区间(0,1)内随机地取两个数,则两数之差的绝对值小于

的概率为______.

答案

参考答案:

解析:[考点提示] 随机变量的概率.
[解题分析] 设随机取到的两个数为x,y.则[*]的概率可以利用二维图形来求.如图所示,0<5g<1,0<y<1,正方形为总体的量,[*]表示图中阴影部分,阴影与正方形面积之比即为所求概率:[*]
[*]

材料分析题

读漫画《施舍》,运用经济生活的有关知识回答下列问题。

(1)你认为该企业合理的做法应该是什么?

                                                                                                                                                                

                                                                                                                                                                

(2)再分配中国家应如何解决漫画中的问题?(最少列举三条措施)

                                                                                                                                                               

                                                                                                                                                              

判断题