设X,Y是相互独立的随机变量,其分布函数分别为FX(x)、FY(y),则Z=min(X,Y)的分布函数是( ).
A、<img src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2013-05-07/0e850f2b-99a4-48b4-b004-c0995389907a.png" width="176" height="24">
B、<img src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2013-05-07/edff0804-1fec-4ef8-b445-a879adac7086.png" width="173" height="24">
C、<img src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2013-05-07/a4702d76-bb6f-427f-abc0-41a617dcf289.png" width="209" height="24">
D、<img src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2013-05-07/7441ff26-8250-4a5f-8e61-84aeda87a2ee.png" width="95" height="24">
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故应选C