Limit Theorems in Probability: Problem Set 3, Lecture notes of Probability and Statistics

Two problems related to the convergence of functions with respect to measures in probability theory. The first problem deals with the lower semicontinuity of a bounded function and the convergence of measures, while the second problem discusses the continuity of a bounded function and the convergence of measures. Hints are provided for each problem.

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2016/2017

Uploaded on 09/25/2017

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Probability, Limit Theorems
Problem set 3. Due Oct 10, 2002
Q1. If f(x) is a bounded lower semicontinuous function on Rand µnµshow that
Zf(x)(x)lim inf
n→∞ Zf(x)n(x)
Hint: Write f(x) = lim fn(x) an increasing limit of bounded continuous functions.
Q2. If f(x) is bounded and continuous at every point of Acand µ(A) = 0 then show
that whenever µnµ
lim
n→∞ Zf(x)n(x) = Zf(x)(x)
1

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Probability, Limit Theorems Problem set 3. Due Oct 10, 2002 Q1. If f (x) is a bounded lower semicontinuous function on R and μn ⇒ μ show that ∫ f (x)dμ(x) ≤ lim inf n→∞

f (x)dμn(x)

Hint: Write f (x) = lim ↑ fn(x) an increasing limit of bounded continuous functions.

that wheneverQ2. If^ f^ (x ) is bounded and continuous at every point ofμ^ Ac^ and^ μ(A) = 0 then show n ⇒^ μ n^ lim→∞

f (x)dμn(x) =

f (x)dμ(x)