Question: Consider the following Poisson Distribution experiment, customers normally arrive at the teller at the rate of 10 an hour.

-Using the formula, show all work, and calculate the probability of 3 customers arriving in the next quarter hour.

- using the formula, show all work, and calculate the probability of 5 customers arriving in the next half hour.

-.using the appropriate table, show work, and calculate the probability of 4 or more arrivals in the next half hour.