Let the r.v.s X n , n ³ 1, be defined as follows : X n (w)

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Let the r.v.sXn,n³ 1, be defined as follows :Xn(w) =2nif w ÃŽ (0, 1/n), andXn(w) = 0 otherwise, where (W,A,P) = ((0, 1], B(0, 1], l) and l is the Lebesgue measure. Then show that

Xn → 0

pointwise, but

Let the r.v.s Xn, n ( 1, be defined as

To any finite number for any r > 0; in fact

Let the r.v.s Xn, n ( 1, be defined as

For any r > 0.

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