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Math Help - Quick question about poisson

  1. #1
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    Quick question about poisson

    Can i quickly ask?

    for Poisson:

    P (X <= k)= e.......

    and P (X > k)= 1 - e........

    Is this correct
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  2. #2
    Member
    Joined
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    Quote Originally Posted by davidrocastle View Post
    Can i quickly ask?

    for Poisson:

    P (X <= k)= e.......

    and P (X > k)= 1 - e........

    Is this correct
    Provided by "P (X <= k)= e......." you mean P (X <= k) = Pr(X = 0) + Pr(X = 1) + .... + Pr(X = k) = e........ and provided by "P (X > k)= 1 - e........" you mean P (X > k)= 1 - P(X <= k) then yes it's correct.
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