MHB Functions of a Discrete Random Variable

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The discussion focuses on the functions of a discrete random variable, specifically addressing the probability mass function where p_Y(y) equals zero for certain values. A technical issue was noted regarding image visibility, prompting a re-upload to a different hosting site for better accessibility. Users are encouraged to report any further issues with viewing the image. The conversation emphasizes the importance of clear communication and accessibility in sharing mathematical concepts. Overall, the thread highlights both the mathematical definitions and the technical challenges faced by users.
Usagi
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EDIT: Oh and I forgot that $p_Y(y) = 0$ otherwise.
 
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There was a problem for some users not being able to see the image which was hosted on imageshack.com so I reuploaded it onto tinypic.com and changed the link accordingly. If anyone has an issue seeing the image please let me know ASAP.

Jameson
 

Thread 'Trigonometry problem of interest'

Seemingly by some mathematical coincidence, a hexagon of sides 2,2,7,7, 11, and 11 can be inscribed in a circle of radius 7. The other day I saw a math problem on line, which they said came from a Polish Olympiad, where you compute the length x of the 3rd side which is the same as the radius, so that the sides of length 2,x, and 11 are inscribed on the arc of a semi-circle. The law of cosines applied twice gives the answer for x of exactly 7, but the arithmetic is so complex that the...
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