【单选题】【消耗次数:1】
设<img class=jc-formula data-tex=P(A)=p,P(B)=q,P(A\cup B)=r src=https://huaweicloudobs.ahjxjy.cn/181E43153EA4CC8D9DFCC275A4A92148.png style=vertical-align: middle;/>,则<img class=jc-formula data-tex=P(A\bar { B } ) src=https://huaweicloudobs.ahjxjy.cn/57ED91E022204B8EB91CBA7582EAAA9A.png style=vertical-align: middle;/>=( )A. p-q-r; B.p+q-r; C.r-q; D.1-p-q+r.
A
B
C
D
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【单选题】 设<img class=jc-formula data-tex=P(A)=p,P(B)=q,P(A\cup B)=r src=https://huaweicloudobs.ahjxjy.cn/181E43153EA4CC8D9DFCC275A4A92148.png style=vertical-align: middle;/>,则<img class=jc-formula data-tex=P(AB) src=https://huaweicloudobs.ahjxjy.cn/1F4CF88471561CF95E40A8580E57081A.png style=vertical-align: middle;/>=( )A. p-q-r; B.p+q-r; C.r-q; D.1-p-q+r.
①  A
②  B
③  C
④  D
【单选题】 设<img class=jc-formula data-tex=P(A)=p,P(B)=q,P(A\cup B)=r src=https://huaweicloudobs.ahjxjy.cn/181E43153EA4CC8D9DFCC275A4A92148.png style=vertical-align: middle;/>,则<img class=jc-formula data-tex=P(\bar { A } \cup \bar { B } ) src=https://huaweicloudobs.ahjxjy.cn/2EB1FFC14BA744B554C1152EF1C51F02.png style=vertical-align: middle;/>=( )A. p-q-r; B.p+q-r; C.r-q; D.1-p-q+r.
①  A
②  B
③  C
④  D
【单选题】 设A,B互不相容,且<img class=jc-formula data-tex=P(A)=p,P(B)=q src=https://huaweicloudobs.ahjxjy.cn/F7722C7A459E8D4D840AE8021B3B1E12.png style=vertical-align: middle;/>,则P(AB)=( )
①  <img class=jc-formula data-tex=p src=https://huaweicloudobs.ahjxjy.cn/D3EF35C3EBAC66F6019CE62A3E798896.png style=vertical-align: middle;/>
②  <img class=jc-formula data-tex=q src=https://huaweicloudobs.ahjxjy.cn/225DD3844F703FC7DFD9F2BED33B595E.png style=vertical-align: middle;/>
③  0
④  <img class=jc-formula data-tex=pq src=https://huaweicloudobs.ahjxjy.cn/328285A671394CE1BEDD2DBA71250594.png style=vertical-align: middle;/>
【单选题】 设<img class=jc-formula data-tex=P(A)={ p }_{ 1 },P(B)={ p }_{ 2 },P(AB)={ p }_{ 3 },则P(A\bar { B } )= src=https://huaweicloudobs.ahjxjy.cn/21739B8794538ADE4CD78A9B5D91656A.png style=vertical-align: middle;/>
①  <img class=jc-formula data-tex={ p }_{ 1 }-{ p }_{2 } src=https://huaweicloudobs.ahjxjy.cn/D39BEAF82FBB343FE344109B92304264.png style=vertical-align: middle;/>
②  <img class=jc-formula data-tex={ p }_{ 3 }-{ p }_{ 2} src=https://huaweicloudobs.ahjxjy.cn/2DE0F954489E172500FD3D305B8FA2E9.png style=vertical-align: middle;/>
③  <img class=jc-formula data-tex={ p }_{ 1}(1-{ p }_{ 2}) src=https://huaweicloudobs.ahjxjy.cn/E8DF846EC09D911C5496B41D1EDC5DBA.png style=vertical-align: middle;/>
④  <img class=jc-formula data-tex={ p }_{2 }-{ p }_{ 1 } src=https://huaweicloudobs.ahjxjy.cn/A786E946F801534E6372F391AC03B323.png style=vertical-align: middle;/>
【判断题】 设A,B互不相容,<img class=jc-formula data-tex=P(A)=p,P(B)=q src=https://huaweicloudobs.ahjxjy.cn/F7722C7A459E8D4D840AE8021B3B1E12.png style=vertical-align: middle;/>,则<img class=jc-formula data-tex=P(\bar { A } \cup B)=1-p src=https://huaweicloudobs.ahjxjy.cn/6EF5181429C98AF00B628541222834FC.png style=vertical-align: middle;/>
①  正确
②  错误
【单选题】 设前提: p<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto />q, <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg /> (q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge />r), r. 则下面哪个不是其有效结论:
①  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />p
②  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />q.
③  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee /><img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />r
④  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /><img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />r
【单选题】 设前提: p<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto />r, q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto />s, p<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge />q. 则下面哪个不是其有效结论:
①  r<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge />s
②  r<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee />s.
③  r
④  r<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto />t
【单选题】 设前提: p<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /><img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />q <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> r, p, q <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> s, <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />s. 则下面哪个不是其有效结论:
①  r
②  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />q.
③  q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto />p
④  q
【单选题】 设前提: p<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> (q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto />r), p, q. 则下面哪个不是其有效结论:
①  q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto />r
②  r.
③  r<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge />s
④  r<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee />s
【单选题】 设前提: p<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> (q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee />r), s <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />q, p, s. 则下面哪个不是其有效结论:
①  q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee />r
②  q<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto />p.
③  p<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> q
④  r
随机题目
【多选题】 A: Im sorry for being late.B:___________
①  It doesnt matter.
②  Never mind.
③  No problem.
④  Forget it.
【多选题】 Whats __________ , Tom? You dont look well.
①  wrong
②  the matter
③  matter
④  pity
【多选题】 ___________ , in order to make more profit, storekeepers try to supply not only enough goods but also different services for their customers.
①  In short
②  In a word
③  In sum
④  All in all
【多选题】 I am_______________ these exercises.
①  friendly with
②  fought for
③  tired of
④  no longer interested in
【多选题】 A: ________________ get off?B: Get off at the post office.
①  Where should I
②  What should I
③  Can you tell me where to
④  Can you tell me what to
【多选题】 A: Is your grandmother still alive?B:_________
①  She is die.
②  She is dead.
③  She has passed away.
④  She died five years ago.
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①  gave
②  has been given
③  was given
④  was giving
【单选题】 I have an appointment_________ 15 minutes.
①  on
②  at
③  for
④  in
【单选题】 My answer is different from yours. I_________ with you.
①  disagree
②  dislike
③  disconnect
④  discover
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①  advice
②  bench
③  distance
④  success