Tag poisson

Poisson Distribution Tests

For a Poission distribution with large $n$, use $Z=\frac{\overline{X}-\lambda }{\sqrt{\lambda /n}}$ (i.e. $\lambda$ instead of $S$). It...

Posted by Beetle B. on Tue 18 July 2017

The Exponential Distribution

Exponential distribution Probability Density Function Let $\lambda >0$ \begin{equation*} f(x;\lambda)=\lambda e^{-\lambda x}...

Posted by Beetle B. on Tue 06 June 2017

Poisson Distribution

$X$ is of a Poisson distribution if its pmf is $p(x;\lambda )=\frac{e^{-\lambda }{\lambda }^x}{x!}$ where $x$ is 0, 1, 2, etc....

Posted by Beetle B. on Thu 18 May 2017

Negative Binomial Distribution

The experiment requires: The trials be independent The outcome is binary (success or failure). The probability of success or failure is...

Posted by Beetle B. on Thu 18 May 2017