Probability Distributions and Functions Quiz
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Questions and Answers

Which statement about FXY(x,y) is true?

  • FXY(x,y) is a nondecreasing function of X and Y (correct)
  • FXY(x,y) is only defined for positive x and y
  • FXY(x,y) is always greater than 1 for all x and y
  • FXY(x,y) is always negative for all x and y

    • What is the conditional variance value of X, given Y = y?

  • E(Y|X)
  • E2(X|Y=y) (correct)
  • E(X|Y )
  • E2(Y|X=x)

    • Did the Nabataeans originate from southern Arabia?

    False

    Is there evidence of a connection between the Nabataeans and rebellious Arab tribes in Mesopotamia during the Neo-Assyrian period?

    <p>True</p> Signup and view all the answers

    What is the conditional pdf of Y, given X = x has occurred?

    <p>fX|Y(x|y)</p> Signup and view all the answers

    Were the Nabataeans defeated by the Assyrian king Ashurbanipal?

    <p>False</p> Signup and view all the answers

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