Question: =+ (b) Suppose that the X ,, have the same distribution and P[X, # 0] > 0. Show that r is 1 or 0 according

=+

(b) Suppose that the X ,, have the same distribution and P[X, # 0] > 0. Show that r is 1 or 0 according as log +|X | has finite mean or not.

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