(c) Sketch the graph of Fx (x). 5. [10] Let X be a random variable with support $x = {-3, 0.5, 3, -2.5, 3.5}. Part of its probability mass function (PMF) is given by == Px (-3)=0.15, px(-2.5) = 0.3, px(3) = 0.2, px (3.5) = 0.15. (a) Find px (0.5). (b) Find the cumulative distribution function (CDF), Fx (x), of X.

Let X be a random variable with support SX = {−3, 0.5, 3, −2.5, 3.5}. Part of
its probability mass function (PMF) is given by
pX(−3) = 0.15, pX(−2.5) = 0.3, pX(3) = 0.2, pX(3.5) = 0.15.
(a) Find pX(0.5).
(b) Find the cumulative distribution function (CDF), FX(x), of X.
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(c) Sketch the graph of FX(x).