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【单选题】
在假设检验中，β表示( )。A.
P{接受H 0 |H 0 为真}
B.
P{拒绝H 0 |H 0 为真}
C.
P{接受H 1 |H 1 为真}
D.
P{接受H 0 |H 1 为真}
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