某市少年宫为小学生开设了绘画、音乐、舞蹈和跆拳道四类兴趣班.为了解学生对这四类兴趣班的喜爱情况,对学生进行了随机问卷调查(问卷调查表如图所示),将调查结果整理后绘制了一幅不完整的统计表.
![](https://media.youtike.com//word/202012/25/1608861136794038960/17218214-98ee-469d-8ef3-5c38e9c31155.016.png)
兴趣班 |
频数 |
频率 |
![](/wiris/showimage?formula=CE19860CB35B74D6154DF531C751E0B14F570655C7B13F476801BDEB1BA00C9098380531A7F73EC55F5CB5D0D84294B40F3B338ADB8A6A8543DC116F2522D9A479DEF822831533D96590AB51EEA64A3224D94C5F70D64F35E13C1D177937EAD0D97D0FE00D4EDEE6B4D7F3A84DD95DF1)
|
|
0.35 |
![](/wiris/showimage?formula=3C44446A325EE97F46FE5C56B270C238E8DE4740CA2A51070148B27D6EEAB55998380531A7F73EC55F5CB5D0D84294B40F3B338ADB8A6A8543DC116F2522D9A479DEF822831533D96590AB51EEA64A3224D94C5F70D64F35E13C1D177937EAD0D97D0FE00D4EDEE6B4D7F3A84DD95DF1)
|
18 |
0.30 |
![](/wiris/showimage?formula=A2723F88F40D43EADAD9305ED8B0DBD7AB861A6811702CE5E8AA94813D7FC6F298380531A7F73EC55F5CB5D0D84294B40F3B338ADB8A6A8543DC116F2522D9A479DEF822831533D96590AB51EEA64A3224D94C5F70D64F35E13C1D177937EAD0D97D0FE00D4EDEE6B4D7F3A84DD95DF1)
|
15 |
![](/wiris/showimage?formula=A8F5278530D5C50FF9647897237FE3B8B111FF3B7D5468092821CD30CC8A593798380531A7F73EC55F5CB5D0D84294B40F3B338ADB8A6A8543DC116F2522D9A479DEF822831533D96590AB51EEA64A3224D94C5F70D64F35E13C1D177937EAD0D97D0FE00D4EDEE6B4D7F3A84DD95DF1)
|
![](/wiris/showimage?formula=D52AAC9D4473C44D372C596BD73758C52AA81E07F5937A7A9FAB906EE9B4090498380531A7F73EC55F5CB5D0D84294B40F3B338ADB8A6A8543DC116F2522D9A479DEF822831533D96590AB51EEA64A3224D94C5F70D64F35E13C1D177937EAD0D97D0FE00D4EDEE6B4D7F3A84DD95DF1)
|
6 |
|
合计 |
![](/wiris/showimage?formula=B63926967B6C93A893ACADC1B0E475AD780E437680C2F6F90FE2BFFD56BAAA0198380531A7F73EC55F5CB5D0D84294B40F3B338ADB8A6A8543DC116F2522D9A479DEF822831533D96590AB51EEA64A3224D94C5F70D64F35E13C1D177937EAD0D97D0FE00D4EDEE6B4D7F3A84DD95DF1)
|
1 |
请你根据统计表中提供的信息回答下列问题:
(1)统计表中的
,
;
(2)根据调查结果,请你估计该市2000名小学生中最喜欢“绘画”兴趣班的人数;
(3)王姀和李婯选择参加兴趣班,若她们每人从
、
、
、
四类兴趣班中随机选取一类,请用画树状图或列表格的方法,求两人恰好选中同一类的概率.