James teaches a class of 300 students, and only 6 have done their homework assignment which is due today. He calls on a student at random to put a problem on the board and check to see whether he or she has done the assignment.
a) What does James consider a "success"? What is the probability?
b) Define X in terms of the story. What values can X take?
c) What are the distribution and parameters of X?
d) What is the probability that the student James selects is one who has done the assignment?