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OpenStudy (anonymous):
how to find E(X) and Var(x)?
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OpenStudy (unklerhaukus):
E(x) is expectation value of x? Var(x) is variation in x?
OpenStudy (anonymous):
wat do u have? mgf?
OpenStudy (kropot72):
Population variance has the notation Var(X)
OpenStudy (unklerhaukus):
\[E( x) =\sum\limits_{x=0}^{\infty}xP(x)\]
OpenStudy (anonymous):
a probability table |dw:1339318563275:dw|
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