Answer to Question #319076 in Statistics and Probability for Aimy

Statistics and Probability

Question #319076

Let X be a random variable with the following probability distribution:

x. -3 , 6 , 9

P(X=x). 1/6 , 1/2 , 1/3

Find ug(x), where g(X)= (2X+1)^2

Expert's answer

"\\mu(g(X))=(-3*2+1)^2*\\frac{1}{6}+(6*2+1)^2*\\frac{1}{2}+(9*2+1)^2*\\frac{1}{3}=209."

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