Essay

$$\begin{array}{l}\text { Consider the given discrete probability distribution. Find } P ( x = 1 \text { or } x = 2 ) \text {. }\\\begin{array} { | c | c | c | c | c | c | c | } \hline x & 0 & 1 & 2 & 3 & 4 & 5 \\\hline p ( x ) & .30 & .25 & .20 & .15 & .05 & .05 \\\hline\end{array}\end{array}$$