dbinom(16,16, 0.4)
1 - pbinom (8,16, 0.4)
dbinom(0,16, 0.4)
1 - pbinom (2,16, 0.4)
1 - pbinom (1,16, 0.4)
pbinom (c(10, 5),16, 0.4)
0.9808581 - 0.3288404
rbinom(10, 16, 0.4)