Find the expected value E(X) of the following data. Round your answer to one decimal place. X 5 6 7 8 9 P(X = x) 0.2 0.2 10 0.1 0.2 0.3
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Q: PLEASE ANSWER
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Q: If E[X] = 5 and Var(X) = 4, then E[(4 + 5X)²] = [] and Var(3+5X) 0
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