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【多选题】
在假设检验中,往往会犯两种类型的错误,对于第 II 类型的错误说法准确的是
A.
第 Ⅱ 类错误叫做“”错误,这是由于取样不确定性本质造成的,该错不可以避免
B.
当规定了小概率的临界值α时,就可以知道犯 Ⅱ 类错误的概率不会超过α
C.
严格的说,犯 Ⅱ 类错误是一个条件概率,即P(接受 l 是不正确的,μ= )
D.
犯 Ⅱ 类错误概率记为β,其中 实际上是要检验总体的真值
E.
因为β和 有关,而α是犯 Ⅰ 类错误的概率,所以β与α无关
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参考答案:
举一反三
【单选题】char min(char,char);不可与下列()函数重载
A.
int min(int, int)
B.
int min(int, char)
C.
int min(char, char)
D.
char min(char, char, char)
【单选题】During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?
A.
excess amount of oily-water mixtures in bilges
B.
insulation of piping including exhaust pipes in engine room contaminated by oil
C.
improper operation of bilge pumping arrangements
D.
there were an actual emergency
【单选题】During the PSC inspection, under the provisions of SOLAS 74, which one be regarded as clear grounds for ships' detainment?
A.
failure of proper operation of propulsion
B.
paint peeling off the uptake
C.
no operation procedures for file oil separators
D.
damaged sanitary pump
【单选题】对机体有保护作用的抗体是
A.
抗 -HBc
B.
抗 -HBs
C.
抗 -HBe
D.
抗 -HBc 和抗 -HBs
【简答题】A.CHAR $ FIELDNAME B.AT (CHAR,FIELDNAME)>0 C.CHAR$ & FIELDNAME D.AT(& CHAR,& FIELDNAME)>0
【单选题】char[] suit={(char)3, (char)4, (char)5, (char)6}; 可以换成以下那句( )
A.
char[] suit={3, 4, 5, 6};
B.
char[] suit={‘3’, ‘4’, ‘5’, ‘6’};
C.
char[] suit={‘’3’’, ‘’4’’, ‘’5’’, ‘’6’’};
【简答题】请对本学期的教学目标、教学模式、教学评价,发表你的观点。
【单选题】During PSC inspection related to the ISM Code,_____of the Safety Management System (SMS) should be carried out if clear grounds are established
A.
a less favorable inspection
B.
a more favorable inspection
C.
a less detailed inspection
D.
a more detailed inspection
【单选题】During the PSC inspection, under the provision of SOLAS74, which one may not be regarded as clear grounds for ships' detainment?
A.
excess amount of oily-water mixtures in bilges
B.
insulation of piping including exhaust pipes in engine room contaminated by oil
C.
improper operation of bilge pumping arrangements
D.
paint peeling off the uptake
【单选题】During the PSC inspection under the provision of SOLAS 74, which one may be regarded as clear grounds for ships’ detainment?
A.
failure of proper operation of propulsion
B.
paint peeling off the uptake
C.
no operation procedures for the oil separators
D.
damaged sanitary pump
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