Events occur at rate 0.2/s. Find the probability that the first event occurs before t = 1

Question:

Events occur at rate 0.2/s. Find the probability that the first event occurs before t = 1 or after t = 3.
Compute the above probabilities. In each case, sketch the probability function and shade the area associated with the question.
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...