Question

Using the probability distribution table what the probability P(0 11 years ago

Answer 1

\[\begin{array}{c|c}
\text{X}&\text{P}\\
\hline 0&0.2\\
1&0.4\\2&0.3\\3&0.1
\end{array}\]
\[P(0<X<3)=P(1\le X\le2)=P(X=1)+P(X=2)=0.4+0.3\]