Question: Please solve the problem. Show your complete solution and the formula that you use. Thank you so much! (Identify all what is needed in the

Please solve the problem. Show your complete solution and the formula that you use. Thank you so much! (Identify all what is needed in the problem)

2. Suppose you are a player of League of Legends. Let X be the number of kills you get in a match whose probability mass function is given below: 2 3 4 5 6 8 P(X = x) 0.04 0.06 0.08 0.09 0.11 0.18 0.21 0.13 0.10 Calculate the expected value, variance, and standard deviation of the given discrete random variable

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