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  1. N

    MGF; exponential

    In a) I've problem understanding if I should compute the mgf of the function f(x) or mgf of expected value?
  2. N

    Understand transition graph

    You may think that transition graphs are pretty straight-forward, although I'm confused. I have a matrix abcd #in R library(diagram) abcd <- matrix(c("a", "b", "c", "d"), nrow = 2, byrow = TRUE) abcd ab <- c("A","B") row.names(abcd) <- ab; colnames(abcd) <- ab plotmat(abcd, pos = c(1,1)...