When calculating all the values of a Poisson distribution, the work can often be simplified by first calculating p(0; λ) and then using the recursion formula
![](https://test.transtutors.com/qimg/d715c51e-a0cb-4a49-9e10-f6d8096ac664.png)
Verify this formula and use it and e-2 = 0.1353 to verify the values given in Table II of "Statistical Tables" for λ = 2.