> rnorm(20,mean=10,sd=3) [1] 12.280453 10.760791 8.830451 13.272477 10.360173 12.267254 14.400875 [8] 7.013900 8.285167 13.722626 11.409453 9.916623 9.961593 10.598557 [15] 7.372593 8.792924 14.624358 15.671522 6.887505 8.318475 > rpois function (n, lambda) > rexp function (n, rate = 1)