2013年成人高考专升本《高等数学二》预测试卷(四)

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18

  • A.<img src="//img1.yqda.net/question-name/43/c462a687c67e163f83a061eca8944b.jpg" alt="" border="0" />
  • B.<img src="//img1.yqda.net/question-name/ae/9e20b3391697148edfc771325d3dd2.jpg" alt="" border="0" />
  • C.<img src="//img1.yqda.net/question-name/6c/aae778bfe3353b73b572e521ac29e5.jpg" alt="" border="0" />
  • D.<img src="//img1.yqda.net/question-name/63/51fec68b51b7eb23710f63c316a47e.jpg" alt="" border="0" />
20

  • A. n=4,p=0.6
  • B. n=6,p=0.4
  • C. n=8,p=0.3
  • D. n=24,p=0.1
21

若随机变量ε服从参数为2的普阿松分布,则

  • A.<img src="//img1.yqda.net/question-name/c0/d1dd08390c8e341c441fea59bd4164.jpg" alt="" border="0" />
  • B.<img src="//img1.yqda.net/question-name/44/2ae1ff733820218a4df2cd3bf8d031.jpg" alt="" border="0" />
  • C.<img src="//img1.yqda.net/question-name/a8/afb3027a0159ddc0cd68736987c503.jpg" alt="" border="0" />
  • D.<img src="//img1.yqda.net/question-name/ed/2f4825f2dda5f960b1344677a5c0c7.jpg" alt="" border="0" />
22

  • A.<img src="//img1.yqda.net/question-name/6a/6354a0dca2eb069cf420392008db8d.jpg" alt="" border="0" />
  • B.<img src="//img1.yqda.net/question-name/c5/85bc85cdfbd7bb9cbca7573ade6f8d.jpg" alt="" border="0" />
  • C.<img src="//img1.yqda.net/question-name/be/53dc7524f249569c8606e33cbefe52.jpg" alt="" border="0" />
  • D.<img src="//img1.yqda.net/question-name/b4/7c8e44d0aff6cee955216d7f0e8235.jpg" alt="" border="0" />
23

  • A.<img src="//img1.yqda.net/question-name/d3/9b70c84969c3d3d456da0c8d3fd2eb.jpg" alt="" border="0" />
  • B.<img src="//img1.yqda.net/question-name/ab/1943413426bfbfdd04622e9cbfae6c.jpg" alt="" border="0" />
  • C.<img src="//img1.yqda.net/question-name/34/06af0392a997e82d9e48c6736b740f.jpg" alt="" border="0" />
  • D.<img src="//img1.yqda.net/question-name/35/31203fb5351e13ffe1853abfea655b.jpg" alt="" border="0" />
26

  • A.<img src="//img1.yqda.net/question-name/bf/00120762137f312505a46ce11aa901.jpg" alt="" border="0" />
  • B. Ω
  • C. A
  • D. A+B
27

函数y=f(x)在点x=x0处有定义是它在该点连续的一个(  )

  • A. 必要条件
  • B. 充分条件
  • C. 充要条件
  • D. 无关条件
28

  • A. 1
  • B. -1
  • C.<img src="//img1.yqda.net/question-name/49/85022b1632393c78a5662553dfdcb1.jpg" alt="" border="0" />
  • D.<img src="//img1.yqda.net/question-name/7f/eaf6b097958ce19afff132e1af42f6.jpg" alt="" border="0" />