recurssive formulae

Discussion in 'CT3' started by salj67, Apr 4, 2015.

  1. salj67

    salj67 Member

    What are the steps to derive it?
     
  2. John Lee

    John Lee ActEd Tutor Staff Member

    Which one?

    For example, are you referring to the one for the Poisson distribution:

    \(P(X=x)=\frac{\mu}{x}P(X=x-1)\)

    You simply substitute the probability functions:

    \(\frac{P(X=x)}{P(X=x-1)}\)
     

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