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Need help with this. Math 3301: Fall 2022, 4 Pages 2 Exercise 2. Consider a random variable K whose pmf is 5 10 15 20

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Math 3301: Fall 2022, 4 Pages 2 Exercise 2. Consider a random variable K whose pmf is 5 10 15 20 p(x) 0.11 0.18 0.25 0.46 (A) Make a table for the cmf function F (with the value at each value X can assume. (B) Find E(K). (C) Find E(K2). (D) Find Var (X)

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