Let X have density fx(x) = 2ln x /x , for 1 x e and

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Let X have density
fx(x) = 2ln x /x ,
for 1 ≤ x ≤ e
and fx(x) = 0 otherwise. Find Var(X).
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Introduction to Probability

ISBN: 978-0716771098

1st edition

Authors: Mark Daniel Ward, Ellen Gundlach

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