Let \(X\) be a random variable with probability mass function

\(p(n) = \frac{1}{c^n}\quad \text{for } n=2,3,4,\cdots\)

and \(p(x)=0\) otherwise.

- Find \(c.\)
- Compute the probability that \(X\) is even.

Learning probability by doing !

Let \(X\) be a random variable with probability mass function

\(p(n) = \frac{1}{c^n}\quad \text{for } n=2,3,4,\cdots\)

and \(p(x)=0\) otherwise.

- Find \(c.\)
- Compute the probability that \(X\) is even.