A random variable Z has Poisson distribution If for k = 0, 1, 2, . . .

Question:

A random variable Z has Poisson If

A random variable Z has Poisson distribution If
for k =

for k = 0, 1, 2, . . .
(a) Use the expansion

to show that

(b) Calculate the mean E[Z] and the variance V(X).

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...