Question: A study was concluded to determine whether there were significant differences between medical students admitted through special programs (such as affirmative action) and medical students admitted through the regular admissions criteria. It was found the graduation rate was 94% for the medical students admitted through special programs.

a. If 10 of the students from the special programs are randomly selected, find the probability that at least 9 of them graduated?

b. Would it be unusual select 10 students from the special programs and get only 7 that graduate. Why or why not?