Solution
= Solution
Using the two masses of the <Bernoulli distribution>,
$$
\boxed{G_X(s)=(1-p)s^0+ps=1-p+ps.}
$$
This <probability generating function> is a <polynomial>, so it exists for every finite $s$.
= Solution
Using the two masses of the <Bernoulli distribution>,
$$
\boxed{G_X(s)=(1-p)s^0+ps=1-p+ps.}
$$
This <probability generating function> is a <polynomial>, so it exists for every finite $s$.