Changes

Some authors describe the geometric distribution as the number of repetitions

Some authors describe the geometric distribution as the number of repetitions

until the first success, its support being the non-negative integers

until the first success, its support being the non-negative integers

{0,1,2,…}[[category:Probability and Statistics]]

{0,1,2,…}

== Mean and Variance ==

== Mean and Variance ==

<math>G_X(z) = \frac{z\,p}{1-z(1-p)}</math>.

<math>G_X(z) = \frac{z\,p}{1-z(1-p)}</math>.