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Problem 3E This problem asks you to establish useful facts about the Gamma distribution. Recall that the gamma density with parameters r > 0 and
Problem 3E This problem asks you to establish useful facts about the Gamma distribution. Recall that the gamma density with parameters r > 0 and A > 0 is defined by Ar T(r) e- At dt The denominator in the constant of integration is POO T(r) = fr-le tdt a) Use integration by parts to show that I(r + 1) = rl(r) for all r > 0. b) Let Z have the standard normal density. In homework problem 2H you showed that Z2 has the gamma density with parameters r = ; and A = ; (a.k.a the chi-squared density with 1 degree of freedom). Show that I(1/2) = VA? In Problems 3F-J, please use R. wherever possible. These problems are intended to give you a warmup to plotting with ggplot in R. Please do it in RMarkdown in RStudio and submit an HTML file
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