4. Two independent random variables X₁ and X₂ are both uniformly y₁=X₁X2/(X₁+X2). Hint: distributed between 9 and 11. Find the pdf of introduce the dummy variable y2=x2 and use the approach of two functions of two variables.

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4. Two independent random variables X₁ and X₂ are both uniformly
distributed between 9 and 11. Find the pdf of y₁=X₁X2/(X₁+X₂). Hint:
introduce the dummy variable y2=x₂ and use the approach of two functions
of two variables.
Transcribed Image Text:4. Two independent random variables X₁ and X₂ are both uniformly distributed between 9 and 11. Find the pdf of y₁=X₁X2/(X₁+X₂). Hint: introduce the dummy variable y2=x₂ and use the approach of two functions of two variables.
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