-A study conducted at a certain college shows that 56% of the school's graduates move to a different state after graduating. Find the probability that among 5 randomly selected graduates, at least one moves to a different state after graduating.

-Of 1518 people who came into a blood bank to give blood, 356 were ineligible to give blood. Estimate the probability that the next person who comes in to give blood will be ineligible to give blood.

-A pool of possible candidates for a student council consists of 12 freshmen and 8 sophomores. How many different councils consisting of 5 freshmen and 7 sophomores are possible?

-In how many ways can a board of supervisors choose a president, a treasurer, and a secretary from its 6 members ?

-In how many ways can a club choose a president, a treasurer, a secretary, and three other committee members (with identical duties) from a group of 13 candidates?

-Karen is completing a fitness circuit. There are 10 fitness stations. At each station she can choose from 4 different activities. If she chooses one activity at each fitness station, in how many ways can she complete the circuit?

-License plates are made using 2 letters followed by 2 digits. How many plates can be made if repetition of letters and digits is allowed?

-There are 11 runners in a race. In how many ways can the first, second, and third place finishes occur? (Assume there are no ties.)

-the number of bottles of juice sold in a cafeteria during lunch