Question: Determine if the following situation represent a binomial probability experiment. If not, state why not?

a. 50 incoming freshman are randomly selected and each is asked whether they had a statistics class in high school.

b. A single die is cast until a 4 comes up. The number of throws required is recorded.

c. ABC News polls 800 voters and asks, “Do you approve, disapprove, or have no opinion of the way the President is handling the situation in Iraq?”