设(X,Y)的联合分布律如下表所示,且X与Y相互独立,则a,b,c满足[img=380x139]1802dae817c7281.jpg[/img]
A: b=2a=2c
B: a=c=0.15
C: a=0.3
D: b=0.2
E: c=0.1
F: b=c
G: a=2c
A: b=2a=2c
B: a=c=0.15
C: a=0.3
D: b=0.2
E: c=0.1
F: b=c
G: a=2c
举一反三
- 设(X,Y)的联合分布律如下表所示,且X与Y相互独立,则a,b,c满足[img=380x139]18033e247590edf.jpg[/img] A: b=2a=2c B: a=c=0.15 C: a=0.3 D: b=0.2 E: c=0.1 F: b=c G: a=2c
- 设(X,Y)的联合分布律如下表所示,且X与Y相互独立,则a,b,c满足[img=380x139]18034bac96c85aa.jpg[/img] A: b=2a=2c B: a=c=0.15 C: a=0.3 D: b=0.2 E: c=0.1 F: b=c G: a=2c
- 设(X,Y)的联合分布律如下表所示,且X与Y相互独立,则a,b,c满足[img=380x139]17de66975931f2d.jpg[/img] A: b=2a=2c B: a=c=0.15 C: a=0.3 D: b=0.2 E: c=0.1 F: b=c G: a=2c
- 设(X,Y)的联合分布律如下表所示,且X与Y相互独立,则a,b,c满足[img=380x139]17de66975931f2d.jpg[/img] A: b=2a=2c B: a=c=0.15 C: a=0.3 D: b=0.2 E: c=0.1 F: b=c G: a=2c
- 设(X,Y)的联合分布律如下表所示,且X与Y相互独立,则a,b,c满足[img=380x139]18039e4ddb4c167.jpg[/img] A: b=2a=2c B: a=c=0.15 C: a=0.3 D: b=0.2 E: c=0.1 F: b=c G: a=2c