Probability
# Discrete Random Variables

The probability distribution of a discrete random variable $X$ defined in the domain $x= 0, 1 ,2$ is as follows:

$\begin{aligned} P( X= 0 ) &= 0.11 \\ P( X= 1 ) &= 0.29 \\ P( X= 2 ) &= a. \end{aligned}$ Find the value of $a.$