Binomial | CPN Tools help |
Function for generating values from binomial distributions | CPN ML |
binomial(n:int, p:real) : int
where n>=1
and 0.0<=p<=1.0
. Returns a drawing from a
binomial distribution with n
experiments and probability p
for
success.
Raises Binomial
exception, if n
<1 or p
<0.0 or p
>1.0.
Mean: | np |
Variance: | np(1-p) |
Probability mass functions for binomial distributions:
binomial (100, 1.0/6.0)
Throw a die 100
times and observe how many times a six was thrown. This process has a binomial distribution with parameters n=100
and p=1/6
.