Question

Let X be a discrete random variable with the following PMF
PX(x)=0.10.20.20.30.20for x=0.2for x=0.4for x=0.5for x=0.8for x=1otherwise
Find RX the range of the random variable X
a. Find P(X≤0.5)
b. Find P(0.25 c. Find P(X=0.2|X<0.6)