![probability theory - Deriving the variance of the Poisson distribution - making an error somewhere? - Mathematics Stack Exchange probability theory - Deriving the variance of the Poisson distribution - making an error somewhere? - Mathematics Stack Exchange](https://i.stack.imgur.com/XF7J2.png)
probability theory - Deriving the variance of the Poisson distribution - making an error somewhere? - Mathematics Stack Exchange
![SOLVED: Prove that the variance of a random variable with a Poisson distribution of rate A is A. Hint: When you encounter the sum kAk-1 (k - 1)e k=], it may be SOLVED: Prove that the variance of a random variable with a Poisson distribution of rate A is A. Hint: When you encounter the sum kAk-1 (k - 1)e k=], it may be](https://cdn.numerade.com/ask_images/e4aa501c8b724e1eac4f9fd9f51e5d85.jpg)
SOLVED: Prove that the variance of a random variable with a Poisson distribution of rate A is A. Hint: When you encounter the sum kAk-1 (k - 1)e k=], it may be
![inference - Difficulty in obtaining the uniformly minimum variance unbiased estimator of Poisson distribution - Cross Validated inference - Difficulty in obtaining the uniformly minimum variance unbiased estimator of Poisson distribution - Cross Validated](https://i.stack.imgur.com/x7gUg.jpg)