设β是总体Y的未知参数,β(下标1),β(下标2)为两个统计量,(β(下标1),β(下标2))为β的置信度为1-α的置信区间,则应有
A.
B.
C.
D.
正确答案是D
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Rearrange the following sentences so that they read logically. Put the corresponding letters in a proper sequence in the boxes provided on the answer sheet. The positions of some sentences have been given.A. Given that the problem is global in