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Let X be a discrete random variable with the following PMF Find EX Find Var(X) [0.1 fork = 0 0.4 fork = 1 Px(K)= 0.3

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Let X be a discrete random variable with the following PMF

  1. Find EX
  2. Find Var(X)

[0.1 fork = 0 0.4 fork = 1 Px(K)= 0.3 fork = 2 0.2 fork = 3 [0Otherwise

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