Question

If x uniform distribution over (-5,9) find p(x>3) ​

Answer 1

`X` has PDF

`f_X(x)=\begin{cases}\frac1{14}&\text{for }-5<x<9\\\\0&\text{otherwise}\end{cases}`

so that

`P(X>3)=\displaystyle\int_3^\infty f_X(x)\,\mathrm dx=\frac1{14}\int_3^9\mathrm dx=\frac37`