P(K2≥k)
…
0.25
0.15
0.10
0.025
0.010
0.005
k
1.323
2.072
2.706
5.024
6.635
7.879
A:90%
B:95%
C:97.5%
D:99.5%
珠江三角洲与港澳地区合作的独特模式是 ( )
关于地图比例尺的叙述,正确的是( )
I enjoy____ photos,so I____ the school Photography Club.