Use Rstudio. Please screenshot the Rstudio codes, outputs, graphs. Please show all your workings and answers for calculations too. ID is 21022023

5) Rolling dice Simulate the sum of outcomes when rolling three dice, one with 6 sides, one with 12 sides, and one with 20 sides. a) Generate a sample of N = 1000 totals of rolling the three dice, using an inversion sampler (use runif () and choose your student ID as seed). b) Show the probability mass function of the sample of simulated totals