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Homework Statement
Show that if X is a bounded random variable, then E(X) exists.
Homework Equations
The Attempt at a Solution
I am having trouble of finding out where to begin this proof.This is what I got so far:
Suppose X is bounded. Then there exists two numbers a and b such that P(X > b) = 0 and P(X < a) = 0 and P(a <= X <= b) = 1.
I have no idea if I am even doing this right. Anyone wanting to take a crack at this one? Thanks.
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