2$.
The probability mass function for a binomial distribution is given by:
$P(X=k) = C(n, k) * p^k * (1-p)^{(n-k)}$
where $C(n, k) = n! / (k! * (n-k)!)$ is the binomial coefficient.
We need to find $P(X \geq 2)$. This can be calculated as $1 - P(X < 2)$, which is
Show more…