From historical data, you know that 50% of students who take Cloudera’s Introduction to Data
Science: Building Recommenders Systems training course pass this exam, while only 25% of
students who did not take the training course pass this exam. You also know that 50% of this
exam’s candidates also take Cloudera’s Introduction to Data Science: Building Recommendations
Systems training course.
If we know that a person has passed this exam, what is the probability that they took cloudera’s
introduction to Data Science: Building Recommender Systems training course?

A.
2/3

B.
1/2

C.
3/4

D.
3/5