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TransformedDistribution -- odd problem
I'm having a very strange problem with TransformedDistribution, where I can calculate the mean of an F distribution but I cannot calculate the mean of a constant multiplied by an F distribution. That is, if I type Mean[TransformedDistribution[F, F \[Distributed] FRatioDistribution[v, v]]] Mathematica gives me an answer. But if I type Mean[TransformedDistribution[k*F , F \[Distributed] FRatioDistribution[v, v]]] Mathematica just echoes the input. I swear I got an answer for the second expression earlier today. What am I doing wrong?