Hi! I need help with Q1 and Q2.

(1) Let X be a discrete random variable with the following PMF 0.3 for r = 3 0.2 for = = 5 Px(x) = 0.3 for 1 = 8 0.2 for r = 10 0 otherwise Find and plot the CDF of X. (2) Let X be a discrete random variable with the following CDF 0 for >