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1. Below is the probability model for the discrete probability distribution of X. X 9 1 6 P(X) 0.35 0.13 0.31 0.04 0.17 Calculate the

1. Below is the probability model for the discrete probability distribution of X. X 9 1 6 P(X) 0.35 0.13 0.31 0.04 0.17 Calculate the E(X). (2pts) Calculate the Var(X). (2pts) Calculate the SD(X). (2pts)

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