If arrivals follow a Poisson distribution with mean 1.2 arrivals per minute, find the probability that the

Question:

If arrivals follow a Poisson with mean 1.2 arrivals per minute, find the probability that the waiting time until the next arrival will be
(a) Less than 1.5 minutes;
(b) More than 30 seconds;
(c) Between 1 and 2 minutes.
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...