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pls I need explanation. thanks X 14 15 16 17 18 Pr(X) 0.2 0.2 0.1 0.1 0.4 Given the probability distribution function above, determine the

pls I need explanation. thanks

X 14 15 16 17 18 Pr(X) 0.2 0.2 0.1 0.1 0.4 Given the probability distribution function above, determine the expected value of the random variable X. EX Enter your answer as a whole number or a decimal

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