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Suppose a random variable X has the following probability distribution:
a. Find the expected value of X, E(X).
b. Find the variance of X, V ar(X).
c. Find the cumulative distribution function of X, F(x) = P(X x).xf(x)100.20110.40120.30130.10

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  • 1. Suppose a random variable X has the following probability distribution: a. Find the expected value of X, E(X). b. Find the variance of X, V ar(X). c. Find the cumulative distribution function of X, F(x) = P(X x).xf(x)100.20110.40120.30130.10