Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter11: Differential Equations
Section11.CR: Chapter 11 Review
Problem 12CR
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Do NOT give any of the following answers because they are wrong

  • 0.75
  • 3.1667
  • 1.125
  • 0.7500
  • 1.0833

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The joint PDF of the random variables X and Y is constant on the shaded region, as shown in the image below, and is zero
outside.
y
2
4
2
It can be determined that fx,y (x, y) = 2/3. Determine E[XY].
Hint: The solution requires two double integrals.
Transcribed Image Text:The joint PDF of the random variables X and Y is constant on the shaded region, as shown in the image below, and is zero outside. y 2 4 2 It can be determined that fx,y (x, y) = 2/3. Determine E[XY]. Hint: The solution requires two double integrals.
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