Asked by Anonymous
Exercise: Convergence in probability
a) Suppose that Xn is an exponential random variable with parameter λ=n. Does the sequence {Xn} converge in probability?
b) Suppose that Xn is an exponential random variable with parameter λ=1/n. Does the sequence {Xn} converge in probability?
c) Suppose that the random variables in the sequence {Xn} are independent, and that the sequence converges to some number a, in probability. Let {Yn} be another sequence of random variables that are dependent, but where each Yn has the same distribution (CDF) as Xn. Is it necessarily true that the sequence {Yn} converges to a in probability?
a) Suppose that Xn is an exponential random variable with parameter λ=n. Does the sequence {Xn} converge in probability?
b) Suppose that Xn is an exponential random variable with parameter λ=1/n. Does the sequence {Xn} converge in probability?
c) Suppose that the random variables in the sequence {Xn} are independent, and that the sequence converges to some number a, in probability. Let {Yn} be another sequence of random variables that are dependent, but where each Yn has the same distribution (CDF) as Xn. Is it necessarily true that the sequence {Yn} converges to a in probability?
Answers
Answered by
Anonymous
a) Yes
b) No
c) Yes
b) No
c) Yes
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