A CDF is given by F(x)=1−e−3xF(x) = 1 - e^{-3x}F(x)=1−e−3x for x≥0x \geq 0x≥0. Find P(X≤1)P(X \leq 1)P(X≤1).
1−e−31 - e^{-3}1−e−3
e−3e^{-3}e−3
1−e−11 - e^{-1}1−e−1
e−1e^{-1}e−1