Here is my problem: Find the expected value of g(X) = X^2 - 5X + 3, if the probability density is given by: f(x) = { 0 elsewhere Can anyone help???
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Originally Posted by penguin11 Here is my problem: Find the expected value of g(X) = X^2 - 5X + 3, if the probability density is given by: f(x) = { 0 elsewhere Can anyone help??? ........... and these are all elementary integrals. RonL
Ok, when I evaluate the integrals, I get . Does that look right?
Originally Posted by penguin11 Ok, when I evaluate the integrals, I get . Does that look right? No, numerically I get 1.8333, and when I do this exactly I get -22/12. RonL
Thanks! I found my mistake. I really appreciate the help.
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