Jack
Lv 4
Jack asked in Science & MathematicsMathematics · 9 years ago

Sum of 2 Negative Binomial Random Variables - What is the Distribution?

If you sum 2 negative binomial random variables, do you still have a negative binomial or is it something new?

Thank you!

1 Answer

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  • Joe
    Lv 5
    9 years ago
    Favorite Answer

    still negative binomial

    only thing that changes is NB(r, p) becomes NB(r1 + r2 , p)

    Hope that helps!

    Source(s): BAM! stat major!
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