Q5Single correct2 Marks31 Aug 2025

The CDF (cumulative distribution function) of a discrete random variable X is given as: F(x) = { 0, if x < 1; $\frac{1}{5}$, if 1 <= x < 2; $\frac{3}{5}$, if 2 <= x < 3; $\frac{4}{5}$, if 3 <= x < 4; 1, if x >= 4 } Find the value of $P(X \le 3)$.

A

$0.6$

B

$0.8$

C

$0.2$

D

$1$