• 2021-04-14
    Fingerprints left on the only knife on the Island mansion were the ______ for the murder.

  • smoking gun

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    • 0

      There were fifteen candies in that bag. Now there is only one left!( )

    • 1

      Which country is on a different island from the other three countries? </p></p>

    • 2

      研究生招考录取过程中,有5%的学生被保送录取,其余的有30%的学生参加研究生考试并初试合格进入复试;复试考生中80%被录取,剩余复试者可通过调剂,有0.5的机会被录取。求:1)一位考生被录取的概率;2)已知某考生已被录取,则他是通过调剂被录取的概率。(1). 设 \(A,B,C\) 为三个事件,且 \( P\left( \mbox{A} \right)&gt;0<br/>\),则有 \( P\left( {ABC} \right)= \)( )。 A: \( P\left( {ABC} \right)=P\left( A \right)P\left( {C\left| A<br/>\right.} \right). \) B: \( P\left( {ABC} \right)=P(A)P\left( {BC} \right)P\left(<br/>{A\left| {BC} \right.} \right). \) C: \( P\left( {ABC} \right)=P(A)P\left( B \right)P\left( {C\left|<br/>{AB} \right.} \right). \) D: \( P\left( {ABC} \right)=P\left( A \right)P\left( {B\left| A<br/>\right.} \right)P(C\vert AB) \)

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      (4). 设每年袭击某地的台风次数 \( X\sim P\left( \lambda \right) \),且\( P\left\{ {X=1} \right\}=P\left\{ {X=2} \right\} \),则概率 \(P\left\{ {X=4} \right\} =\)()。

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      【单选题】在下列选项中,background-position属性值书写正确的是()。 A. p{ background-position:left top; } B. p{ background-position:left 10; } p{ background-position:left top; } C. p{ background-position:10 top ;} D. p{ background-position:top 10 ;}