@rnd_binomial(t:int, p:float)
returns a random generator that produces integers according to a binomial discrete distribution P of parameters tand p`:

     P(i, | t, p) = \binom{t}{i} . p^i . (1 - p)^(t-i),  i ≥ 0.

See @rnd_bernoulli for a description of random generators.

See also Random Generators @rand,    @rand_int,    @random,    @rnd_bernoulli,    @rnd_binomial,    @rnd_exponential,    @rnd_gamma,    @rnd_geometric,    @rnd_normal,    @rnd_uniform_float,    @rnd_uniform_int