Your instructor has taught QSCI 381 four times prior to this year. Exactly one student has received a perfect score on the first midterm (true story). Every class had 125 students. Given these data:

a. What is the probability of two students getting a perfect score on this exam? Show your work and state any assumptions.

b. This is an example of what kind of probability (choose the best answer)?

Group of answer choices

Empirical

Theoretical

Combination

Permutation

Conditional