The number of accidents in a period of one week follows a Poisson distribution with mean 2.

Question:

The number of accidents in a period of one week follows a Poisson with mean 2. The numbers of accidents from week to week are independent. What is the probability of exactly seven accidents in a given three weeks?
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...