## Expected Value and Variance Question

Does μx mean the same thing as E[X]? Also, does σ2x mean the same thing as Var X?
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 Recognitions: Homework Help Science Advisor Those would be reasonable notations for E[X], Var(X). I wouldn't say it's sufficiently standard to answer more confidently.

 Quote by haruspex Those would be reasonable notations for E[X], Var(X). I wouldn't say it's sufficiently standard to answer more confidently.
Okay Thank You!!

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