Delivery trucks arrive independently at the Floorstore Regional distribution center with various consumer items from the company's

Question:

Delivery trucks arrive independently at the Floorstore Regional center with various consumer items from the company's suppliers. The mean number of trucks arriving per hour is 20. Given that a truck has just arrived answer the following:
a. What is the probability that the next truck will not arrive for at least 5 minutes?
b. What is the probability that the next truck will arrive within the next 2 minutes?
c. What is the probability that the next truck will arrive between 4 and 10 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...