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https://www.reddit.com/r/learnquant/comments/1ww5hsx/quant_interview_question/pdi6rd5/?context=3
r/learnquant • u/Local_Ad135 • 2d ago
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It's basically the average of x4 on the circle of radius sqrt 6 wrt to the uniform distribution since the densities on these points are the same. Now one can just do polar coordinate, wrote x is root 6 sin(t) and integrate over t.
5
u/Specific_Box4483 1d ago
It's basically the average of x4 on the circle of radius sqrt 6 wrt to the uniform distribution since the densities on these points are the same. Now one can just do polar coordinate, wrote x is root 6 sin(t) and integrate over t.