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【单选题】
进行假设检验时,在其他条件不变的情况下,增加样本量,检验结论犯两类错误的概率会( )。A.
都增大
B.
都减小
C.
都不变
D.
一个增大一个减小
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举一反三
【简答题】(1) Three persons independently decipher a password. The probability they can independently decipher the password is 1/5,1/4,1/3, respectively, then the probability that the password deciphered is =
【单选题】strong cryptography is cipher that is very difficult to decipher without possession of the appropriate ( ).
A.
information system
B.
decoding tool
【简答题】数据库概念设计的E-R方法，在E-R图中属性用 ______ 表示。
【单选题】It is a headache to decipher his sloopy _____.
A.
dectatorship
B.
marksmanship
C.
penmanship
D.
worksmanship
【单选题】The word “decipher” in Para. 6 most probably means “___________”.
A.
write without thinking
B.
dictate
C.
translate
D.
memorize
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