Question

how do i write an expression for P(X<=x) for the density function f9x)={x, 0<=x<=1

Answer 1

\[P(X<=x)=\int_{-\infty}^{x} f(x) dx\]

Answer 2

Here
\[0\le x \le 1\]
so
\[P(X\le x)=\int_{0}^x f(x) dx\]

Answer 3

@willlliam Do you get it?

Answer 4

yes thank you very much, i really appreciate all the help.