MATLAB Answers

Calculate n and p values for binomial distribution in Matlab

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Aykut Albayrak
Aykut Albayrak on 30 Nov 2019
Commented: Vladimir Sovkov on 30 Nov 2019
Question is that "Random variable for μ = 10, σ2 = 10.Calculate n and p values for a binomial distribution to be approximated as normal distribution for the above normal distribution mean and variance."
When I do research on the internet, they tell me to use the binofit function to calculate the n and p values. But in each sample made with binofit, n and p values were made knowing. Since the question asked me to calculate the n and p values, I could not find a solution. Can you help me?

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Answers (1)

Vladimir Sovkov
Vladimir Sovkov on 30 Nov 2019
The question has nothing to do with Matlab.
Just recall, that in the binomial distribution μ=n*p and =n*p*(1-p).

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Vladimir Sovkov
Vladimir Sovkov on 30 Nov 2019
If μ = 10, σ2 = 10, than the solution of the equations {n*p==10, n*p*(1-p)==10} is and . In fact, this limit is the Poisson distribution with μ = 10. No binomial distribution with finite n and p can possess such properties.

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