Hi! Need help with my statistics seatwork ASAP :(. Would appreciate it! Thanks in advance!

2. Among a department store's 16 delivery trucks, five emit excessive amounts of pollutants. If eight of the trucks are randomly picked for inspection, what is the probability that this sample will include at least three of the trucks which emit excessive amounts of pollutants?

3. The number of loan applications that a bank gets per day is a random variable having the person distribution with ^ = 7.5. Find the probabilities that on any day the bank will get:

a.) exactly six loan applications

b.) four loan applications