Suppose that X has a Poisson distribution with a very large mean . Explain why the distribution

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Suppose that X has a Poisson distribution with a very large mean λ. Explain why the distribution of X can be approximated by the normal distribution with mean λ and variance λ. In other words, explain why (X − λ)/λ1/2 converges in distribution, as λ→∞, to a random variable having the standard normal distribution.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Probability And Statistics

ISBN: 9780321500465

4th Edition

Authors: Morris H. DeGroot, Mark J. Schervish

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