19) 40% of the students taking a Statistics exam were female, of which 90% passed the exam. The rest of the students were male, of which 85% passed the exam. What percentage of students passed the...

19) 40% of the students taking a Statistics exam were female, of which 90% passed the exam. The rest of the students were male, of which 85% passed the exam.

1. What percentage of students passed the Statistics exam?


2. A randomly selected paper was found to have a passing score. What is the probability that the student was a girl?